Van Eck Sequence in all languages in bytes. Achievements Cheevos Holes Languages Medals Miscellaneous All Holes 12 Days of Christmas 24 Game 99 Bottles of Beer Abundant Numbers Abundant Numbers (Long) Arabic to Roman Arithmetic Numbers Arrows Ascending Primes ASCII Table Billiards brainfuck Calendar Card Number Validation Catalan Numbers Catalan’s Constant Christmas Trees Collatz Continued Fractions CSS Colors Cubes Day of Week DFA Simulator Diamonds Divisors Emirp Numbers Emirp Numbers (Long) Emojify Evil Numbers Evil Numbers (Long) Factorial Factorisation Farey Sequence Fibonacci Fizz Buzz Foo Fizz Buzz Bar Forsyth–Edwards Notation Fractions Game of Life Gijswijt’s Sequence Gray Code Decoder Gray Code Encoder Happy Numbers Happy Numbers (Long) Hexdump Hilbert Curve Intersection Inventory Sequence ISBN Jacobi Symbol Kaprekar Numbers Kolakoski Constant Kolakoski Sequence Leap Years Levenshtein Distance Leyland Numbers ln 2 Look and Say Lucky Numbers Lucky Tickets Mahjong Mandelbrot Maze Medal Tally Minesweeper Morse Decoder Morse Encoder Multitap Input Musical Chords N Queens Niven Numbers Niven Numbers (Long) Number Spiral Odious Numbers Odious Numbers (Long) Ordinal Numbers PalindromemordnilaP Pangram Grep Partition Numbers Pascal’s Triangle Pernicious Numbers Pernicious Numbers (Long) Poker Polyominoes Prime Numbers Prime Numbers (Long) Proximity Grid QR Decoder Quine Recamán Repeating Decimals Reverse Polish Notation Reversi Rijndael S-box Rock-paper-scissors-Spock-lizard Roman to Arabic ROT13 Rule 110 Scrambled Sort Set Seven Segment SI Units Sierpiński Triangle Smith Numbers Spelling Numbers Star Wars GPT Star Wars Opening Crawl Sudoku Sudoku (Fill-in) Ten-pin Bowling Tic-tac-toe Time Distance Tongue-twisters Topological Sort Tower of Hanoi Transpose Sentence Trinomial Triangle United States Vampire Numbers Van Eck Sequence Zeckendorf Representation Zodiac Signs γ λ π τ φ √2 𝑒 Alphabetic Numbers Apéry’s Constant Binary Lambda Calculus Connect Four Crossword CSS Colors (Inverse) CSS Grid Dragon Curve Ellipse Perimeters Flags Floyd-Steinberg Dithering Hexagonal Spiral Highly Composite Numbers NFA Simulator Numbrix Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Rectangle Fill Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab Numbers Turtle Tutorial All Languages ><> ALGOL 68 ArkScript Assembly AWK Bash BASIC Berry brainfuck C C# C++ Civet Clojure COBOL Coconut Common Lisp Crystal D Dart Elixir Erlang F# Factor Forth Fortran Gleam Go GolfScript Groovy Haskell Hexagony J Janet Java JavaScript jq Julia K Kotlin Lua Nim OCaml Pascal Perl PHP PowerShell Prolog Python R Raku Rockstar Ruby Rust Scheme sed SQL Swift Tcl TeX V VimL Wren Zig 05AB1E APL Arturo Befunge BQN CJam CoffeeScript Egel Fennel Harbour Hare Haxe Hush Hy iogii Knight Lily Luau Odin Picat Qore Racket Rebol Rexx Scala Squirrel Stax Uiua Umka Vala Vyxal Bytes Chars Scoring Bytes Chars Language All ><> ALGOL 68 ArkScript Assembly AWK Bash BASIC Berry brainfuck C C# C++ Civet Clojure COBOL Coconut Common Lisp Crystal D Dart Elixir Erlang F# Factor Forth Fortran Gleam Go GolfScript Groovy Haskell Hexagony J Janet Java JavaScript jq Julia K Kotlin Lua Nim OCaml Pascal Perl PHP PowerShell Prolog Python R Raku Rockstar Ruby Rust Scheme sed SQL Swift Tcl TeX V VimL Wren Zig Experimental Language 05AB1E APL Arturo Befunge BQN CJam CoffeeScript Egel Fennel Harbour Hare Haxe Hush Hy iogii Knight Lily Luau Odin Picat Qore Racket Rebol Rexx Scala Squirrel Stax Uiua Umka Vala Vyxal Hole All 12 Days of Christmas 24 Game 99 Bottles of Beer Abundant Numbers Abundant Numbers (Long) Arabic to Roman Arithmetic Numbers Arrows Ascending Primes ASCII Table Billiards brainfuck Calendar Card Number Validation Catalan Numbers Catalan’s Constant Christmas Trees Collatz Continued Fractions CSS Colors Cubes Day of Week DFA Simulator Diamonds Divisors Emirp Numbers Emirp Numbers (Long) Emojify Evil Numbers Evil Numbers (Long) Factorial Factorisation Farey Sequence Fibonacci Fizz Buzz Foo Fizz Buzz Bar Forsyth–Edwards Notation Fractions Game of Life Gijswijt’s Sequence Gray Code Decoder Gray Code Encoder Happy Numbers Happy Numbers (Long) Hexdump Hilbert Curve Intersection Inventory Sequence ISBN Jacobi Symbol Kaprekar Numbers Kolakoski Constant Kolakoski Sequence Leap Years Levenshtein Distance Leyland Numbers ln 2 Look and Say Lucky Numbers Lucky Tickets Mahjong Mandelbrot Maze Medal Tally Minesweeper Morse Decoder Morse Encoder Multitap Input Musical Chords N Queens Niven Numbers Niven Numbers (Long) Number Spiral Odious Numbers Odious Numbers (Long) Ordinal Numbers PalindromemordnilaP Pangram Grep Partition Numbers Pascal’s Triangle Pernicious Numbers Pernicious Numbers (Long) Poker Polyominoes Prime Numbers Prime Numbers (Long) Proximity Grid QR Decoder Quine Recamán Repeating Decimals Reverse Polish Notation Reversi Rijndael S-box Rock-paper-scissors-Spock-lizard Roman to Arabic ROT13 Rule 110 Scrambled Sort Set Seven Segment SI Units Sierpiński Triangle Smith Numbers Spelling Numbers Star Wars GPT Star Wars Opening Crawl Sudoku Sudoku (Fill-in) Ten-pin Bowling Tic-tac-toe Time Distance Tongue-twisters Topological Sort Tower of Hanoi Transpose Sentence Trinomial Triangle United States Vampire Numbers Van Eck Sequence Zeckendorf Representation Zodiac Signs γ λ π τ φ √2 𝑒 Experimental Hole Alphabetic Numbers Apéry’s Constant Binary Lambda Calculus Connect Four Crossword CSS Colors (Inverse) CSS Grid Dragon Curve Ellipse Perimeters Flags Floyd-Steinberg Dithering Hexagonal Spiral Highly Composite Numbers NFA Simulator Numbrix Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Rectangle Fill Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab Numbers Turtle Tutorial # Golfer Points Bytes Time Submitted 641st Waffle3z 732 56 11ms 1 May 2021 641st ArmaanAS 732 56 10ms 21 Jun 2021 641st LukeBridges 🇬🇧 732 56 11ms 30 Jan 2025 641st snoozingnewt 🇨🇦 732 56 12ms 13 Oct 2025 645th adoxography 732 74 47ms 20 Aug 2021 645th m42km 732 74 12ms 25 Nov 2023 645th Stockoh 🇫🇷 732 74 47ms 23 Jun 2024 645th TheZwierzLF 🇵🇱 732 74 12ms 24 May 2025 649th albanian-laundromat 🇺🇸 730 78 21ms 15 Aug 2025 650th Natanaelel 🇸🇪 729 28 2ms 20 Jul 2023 650th emgordon154 729 28 20ms 3 Nov 2024 650th lifthrasiir 🇰🇷 729 28 3ms 29 Nov 2024 653rd primo-ppcg 🇹🇭 729 47 124ms 21 Jun 2021 654th rboath 729 61 89ms 9 Jan 2025 655th Mikey-Beep 🇬🇧 729 67 27ms 6 Jun 2024 656th Alex-x90 🇺🇸 729 108 62ms 9 Dec 2022 656th CatsAreFluffy 729 108 65ms 16 Dec 2022 658th snoozingnewt 🇨🇦 727 82 2ms 13 Oct 2025 659th MeWhenI 🇻🇦 726 67 2ms 22 Jul 2024 660th NewDefectus 🇮🇱 722 57 54ms 6 Dec 2021 661st edsrzf 🇳🇿 722 70 10ms 14 Dec 2024 662nd potato-jackson 722 75 12ms 10 Sep 2021 662nd osmith93 722 75 22ms 14 Jun 2022 662nd aksyristos 722 75 45ms 18 Jan 2023 662nd celiendonze 🇨🇭 722 75 12ms 11 Apr 2023 662nd programjames 722 75 51ms 3 Feb 2024 662nd bob-th 722 75 24ms 26 Jul 2024 662nd fkantelberg 722 75 41ms 22 Jul 2025 669th inventshah 721 131 120ms 9 Sep 2022 670th stefangimmillaro 720 75 109ms 25 Jun 2023 671st cure-honey 🇯🇵 720 109 131ms 11 Jul 2021 671st mousetail 🇳🇱 720 109 129ms 18 Jan 2024 673rd eranws 719 57 11ms 9 Sep 2022 673rd iczelia 🇩🇪 719 57 11ms 11 Oct 2025 675th KatieLG 🇬🇧 719 67 481ms 1 Oct 2025 675th albanian-laundromat 🇺🇸 719 67 460ms 23 Oct 2025 677th emgordon154 716 101 438ms 8 Feb 2026 678th scpchicken 🇵🇼 714 48 535ms 8 Jan 2023 679th emplv 🇱🇻 714 118 26ms 29 Jun 2022 680th sean-niemann 🇺🇸 713 110 131ms 9 Jun 2025 681st kyleclaassen 712 76 24ms 9 Feb 2022 681st za3k 712 76 16ms 16 Oct 2022 681st cros107 🇦🇺 712 76 45ms 6 Aug 2023 681st elgan65536 🇺🇸 712 76 49ms 7 Apr 2024 681st wh3n3v3r 🇨🇿 712 76 19ms 14 Nov 2024 686th rak1507 🇬🇧 710 76 133ms 29 Jun 2021 686th GrayJoKing 🇦🇺 710 76 130ms 14 Mar 2022 688th emgordon154 710 203 1,266ms 6 Nov 2025 689th KatieLG 🇬🇧 709 56 1,325ms 13 Oct 2021 690th edsrzf 🇳🇿 709 72 5ms 22 days ago 691st Irratix 🇳🇱 709 111 63ms 3 Jan 2022 691st Yewzir 🇧🇪 709 111 58ms 11 Feb 2024 693rd emgordon154 708 52 43ms 27 Nov 2024 693rd olleicua 🇺🇸 708 52 46ms 25 Feb 2025 693rd codereport 🇨🇦 708 52 40ms 21 Apr 2025 693rd snoozingnewt 🇨🇦 708 52 40ms 13 Oct 2025 697th jared-hughes 706 51 6ms 17 Jul 2022 698th snoozingnewt 🇨🇦 705 69 2ms 13 Oct 2025 699th razetime 704 29 3ms 13 Jan 2022 700th Shanethegamer 🇺🇸 704 34 34ms 6 May 2021 700th MeWhenI 🇻🇦 704 34 34ms 9 Nov 2021 700th sisyphus-ppcg 🇦🇺 704 34 34ms 2 Mar 2022 700th DialFrost 🇸🇬 704 34 34ms 18 Jan 2023 704th albanian-laundromat 🇺🇸 703 55 2ms 12 Mar 2026 705th LeeCamp 703 77 26ms 23 Dec 2021 705th Just4FunCoder 703 77 26ms 23 Mar 2023 705th codewrite 🇬🇧 703 77 11ms 9 Jul 2025 705th vhoulbreque 🇫🇷 703 77 12ms 3 Dec 2025 709th GolfingSuccess 🇬🇷 703 81 18ms 11 Sep 2022 710th Herbert00709 🇵🇱 703 112 59ms 1 Nov 2024 711th albanian-laundromat 🇺🇸 702 120 26ms 12 Mar 2026 712th emgordon154 701 85 2ms 24 Dec 2021 713th luuumine 🇫🇷 700 112 130ms 16 Nov 2025 714th MeWhenI 🇻🇦 700 114 27ms 7 Jun 2023 715th commandz0 🇺🇸 699 69 472ms 15 Jan 2024 715th TheZwierzLF 🇵🇱 699 69 441ms 22 Nov 2025 717th Shanethegamer 🇺🇸 699 73 27ms 28 Apr 2023 718th madex 🇩🇪 699 93 2,577ms 19 days ago 719th Shanethegamer 🇺🇸 699 111 541ms 25 Sep 2025 719th snoozingnewt 🇨🇦 699 111 497ms 13 Oct 2025 First Prev 641–720 of 1,993 Next Last