Van Eck Sequence in all languages in chars. 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 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 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 Chars Time Submitted 638th JOrE20 722 71 12ms 22 Feb 2026 642nd emgordon154 722 100 485ms 8 Feb 2026 643rd edsrzf 🇳🇿 721 70 12ms 14 Dec 2024 644th ovs-code 🇩🇪 719 51 138ms 17 Nov 2024 645th eranws 719 57 10ms 9 Sep 2022 645th iczelia 🇩🇪 719 57 11ms 11 Oct 2025 647th albanian-laundromat 719 67 407ms 23 Oct 2025 648th stefangimmillaro 719 75 117ms 25 Jun 2023 649th inventshah 719 131 93ms 9 Sep 2022 650th cure-honey 🇯🇵 718 109 126ms 11 Jul 2021 650th mousetail 🇳🇱 718 109 121ms 18 Jan 2024 652nd albanian-laundromat 717 77 161ms 20 Nov 2025 653rd snoozingnewt 🇨🇦 715 82 2ms 13 Oct 2025 654th emplv 🇱🇻 713 118 26ms 29 Jun 2022 655th mauro-1 🇮🇹 712 72 17ms 18 Aug 2021 655th PiterAnnema 712 72 39ms 23 Mar 2022 655th Andrey135296 712 72 11ms 4 Apr 2022 655th TaserTheFox 🇺🇸 712 72 12ms 27 Jan 2023 655th Fracture17 712 72 38ms 13 Apr 2023 655th WillConker 712 72 48ms 10 Mar 2024 655th jipsong 🇩🇪 712 72 19ms 10 Jun 2024 655th CutSandstone 712 72 36ms 5 Jul 2024 663rd sean-niemann 🇺🇸 712 110 120ms 9 Jun 2025 664th dokutan 709 68 474ms 12 Feb 2025 665th rak1507 🇬🇧 709 76 137ms 29 Jun 2021 665th GrayJoKing 🇦🇺 709 76 130ms 14 Mar 2022 667th Irratix 🇳🇱 709 111 60ms 3 Jan 2022 667th Yewzir 🇧🇪 709 111 59ms 11 Feb 2024 669th emgordon154 708 52 41ms 27 Nov 2024 669th olleicua 🇺🇸 708 52 46ms 25 Feb 2025 669th codereport 🇨🇦 708 52 33ms 21 Apr 2025 669th snoozingnewt 🇨🇦 708 52 38ms 13 Oct 2025 673rd KatieLG 🇬🇧 708 56 1,480ms 13 Oct 2021 674th edsrzf 🇳🇿 707 72 5ms 24 hours ago 675th emgordon154 707 203 1,489ms 6 Nov 2025 676th jared-hughes 705 51 6ms 17 Jul 2022 677th razetime 704 29 3ms 13 Jan 2022 678th Shanethegamer 🇺🇸 704 34 34ms 6 May 2021 678th MeWhenI 🇻🇦 704 34 34ms 9 Nov 2021 678th sisyphus-ppcg 🇦🇺 704 34 34ms 2 Mar 2022 681st snoozingnewt 🇨🇦 704 69 2ms 13 Oct 2025 682nd MeWhenI 🇻🇦 703 194 1,704ms 7 Nov 2025 683rd albanian-laundromat 702 55 2ms 22 days ago 684th Irratix 🇳🇱 702 73 43ms 7 May 2022 684th fredrik-bakke 🇳🇴 702 73 38ms 2 Oct 2022 684th fourth-bit 702 73 50ms 5 Dec 2022 684th CatsAreFluffy 702 73 22ms 17 Dec 2022 684th jmerle 🇳🇱 702 73 70ms 16 Feb 2023 684th AlexanderFair 702 73 47ms 2 Jul 2023 684th NickTheEASDude 🇺🇸 702 73 46ms 6 Aug 2024 684th AtengChen 702 73 11ms 27 Aug 2024 684th andrewjc2000 702 73 50ms 18 Jul 2025 684th madeforlosers 702 73 11ms 13 Nov 2025 694th GolfingSuccess 🇬🇷 702 81 18ms 11 Sep 2022 695th Herbert00709 🇵🇱 702 112 64ms 1 Nov 2024 696th albanian-laundromat 701 120 26ms 22 days ago 697th commandz0 🇺🇸 699 69 493ms 15 Jan 2024 697th TheZwierzLF 🇵🇱 699 69 469ms 22 Nov 2025 699th luuumine 🇫🇷 699 112 126ms 16 Nov 2025 700th Shanethegamer 🇺🇸 698 73 27ms 28 Apr 2023 701st MeWhenI 🇻🇦 697 114 27ms 7 Jun 2023 702nd oceko 696 113 62ms 19 Feb 2024 703rd frankgraziano 695 245 15ms 30 Sep 2025 704th adoxography 694 53 41ms 20 Aug 2021 704th schachmattmatt 694 53 38ms 25 Sep 2021 704th tatzyr 🇯🇵 694 53 44ms 18 Jan 2025 707th MeWhenI 🇻🇦 694 90 41ms 17 Feb 2023 708th adoxography 693 74 49ms 20 Aug 2021 708th m42km 693 74 11ms 25 Nov 2023 708th Stockoh 🇫🇷 693 74 44ms 23 Jun 2024 708th TheZwierzLF 🇵🇱 693 74 11ms 24 May 2025 712th ian-h-chamberlain 🇺🇸 693 113 125ms 6 Jul 2022 713th DialFrost 🇸🇬 692 52 10ms 29 Dec 2025 714th Shanethegamer 🇺🇸 691 73 50ms 8 Apr 2024 715th arjanadriaanse 🇳🇱 691 78 141ms 10 Feb 2022 715th Shanethegamer 🇺🇸 691 78 116ms 15 Oct 2022 715th tobeannouncd 691 78 1,395ms 8 Jan 2024 718th MeWhenI 🇻🇦 690 56 2ms 4 Nov 2022 719th emgordon154 690 85 2ms 24 Dec 2021 720th Shanethegamer 🇺🇸 690 111 457ms 25 Sep 2025 First Prev 641–720 of 1,869 Next Last