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 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 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 Apéry’s Constant Binary Lambda Calculus Connect Four Continued Fractions Crossword CSS Colors (Inverse) CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Gray Code Decoder Gray Code Encoder Hexagonal Spiral Highly Composite Numbers NFA Simulator Numbrix Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab Numbers Turtle Tutorial All Languages ><> ALGOL 68 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 ArkScript 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 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 ArkScript 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 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 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 Apéry’s Constant Binary Lambda Calculus Connect Four Continued Fractions Crossword CSS Colors (Inverse) CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Gray Code Decoder Gray Code Encoder Hexagonal Spiral Highly Composite Numbers NFA Simulator Numbrix Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab Numbers Turtle Tutorial # Golfer Points Chars Time Submitted 641st emplv 🇱🇻 711 118 26ms 29 Jun 2022 642nd sean-niemann 🇺🇸 710 110 129ms 9 Jun 2025 643rd rak1507 🇬🇧 709 76 137ms 29 Jun 2021 643rd GrayJoKing 🇦🇺 709 76 130ms 14 Mar 2022 645th emgordon154 708 52 41ms 27 Nov 2024 645th olleicua 🇺🇸 708 52 41ms 25 Feb 2025 645th codereport 🇨🇦 708 52 39ms 21 Apr 2025 645th snoozingnewt 🇨🇦 708 52 35ms 13 Oct 2025 649th dokutan 708 68 474ms 12 Feb 2025 650th Irratix 🇳🇱 708 111 58ms 3 Jan 2022 650th Yewzir 🇧🇪 708 111 58ms 11 Feb 2024 652nd KatieLG 🇬🇧 707 56 1,480ms 13 Oct 2021 653rd emgordon154 707 203 1,470ms 6 Nov 2025 654th jared-hughes 705 51 6ms 17 Jul 2022 655th Shanethegamer 🇺🇸 704 34 34ms 6 May 2021 655th MeWhenI 🇻🇦 704 34 34ms 9 Nov 2021 655th sisyphus-ppcg 🇦🇺 704 34 34ms 2 Mar 2022 658th razetime 703 29 3ms 13 Jan 2022 659th snoozingnewt 🇨🇦 703 69 2ms 13 Oct 2025 660th MeWhenI 🇻🇦 703 194 1,704ms 7 Nov 2025 661st Irratix 🇳🇱 702 73 43ms 7 May 2022 661st fredrik-bakke 🇳🇴 702 73 38ms 2 Oct 2022 661st fourth-bit 702 73 50ms 5 Dec 2022 661st CatsAreFluffy 702 73 22ms 17 Dec 2022 661st jmerle 🇳🇱 702 73 70ms 16 Feb 2023 661st AlexanderFair 702 73 47ms 2 Jul 2023 661st NickTheEASDude 🇺🇸 702 73 46ms 6 Aug 2024 661st AtengChen 702 73 11ms 27 Aug 2024 661st andrewjc2000 702 73 50ms 18 Jul 2025 661st madeforlosers 702 73 11ms 13 Nov 2025 671st Herbert00709 🇵🇱 702 112 55ms 1 Nov 2024 672nd GolfingSuccess 🇬🇷 701 81 18ms 11 Sep 2022 673rd commandz0 🇺🇸 698 69 493ms 15 Jan 2024 673rd TheZwierzLF 🇵🇱 698 69 469ms 22 Nov 2025 675th luuumine 🇫🇷 698 112 125ms 16 Nov 2025 676th Shanethegamer 🇺🇸 696 73 27ms 28 Apr 2023 677th oceko 696 113 59ms 19 Feb 2024 678th MeWhenI 🇻🇦 695 114 27ms 7 Jun 2023 679th frankgraziano 695 245 15ms 30 Sep 2025 680th adoxography 694 53 44ms 20 Aug 2021 680th schachmattmatt 694 53 38ms 25 Sep 2021 680th anter69 🇭🇺 694 53 38ms 9 Jan 2023 680th tatzyr 🇯🇵 694 53 41ms 18 Jan 2025 684th ovs-code 🇩🇪 694 86 5ms 21 Jul 2024 685th MeWhenI 🇻🇦 694 90 41ms 17 Feb 2023 686th adoxography 693 74 49ms 20 Aug 2021 686th m42km 693 74 11ms 25 Nov 2023 686th Stockoh 🇫🇷 693 74 44ms 23 Jun 2024 686th TheZwierzLF 🇵🇱 693 74 11ms 24 May 2025 690th DialFrost 🇸🇬 692 52 10ms 29 Dec 2025 691st ian-h-chamberlain 🇺🇸 692 113 125ms 6 Jul 2022 692nd arjanadriaanse 🇳🇱 691 78 141ms 10 Feb 2022 692nd Shanethegamer 🇺🇸 691 78 122ms 15 Oct 2022 692nd tobeannouncd 691 78 1,395ms 8 Jan 2024 695th MeWhenI 🇻🇦 690 56 2ms 4 Nov 2022 696th emgordon154 689 85 2ms 24 Dec 2021 697th Shanethegamer 🇺🇸 689 111 457ms 25 Sep 2025 697th snoozingnewt 🇨🇦 689 111 431ms 13 Oct 2025 699th o0lit3 🇺🇸 688 45 11ms 4 May 2021 700th JunkIce 688 70 429ms 3 Dec 2024 701st albanian-laundromat 687 248 13ms 18 Sep 2025 702nd msbranicky 684 83 2ms 4 Aug 2023 703rd kkoenig 684 138 278ms 4 Jan 2024 704th Naruyoko 683 60 18ms 13 Aug 2023 704th two-bad 🇬🇧 683 60 24ms 15 Feb 2024 704th emgordon154 683 60 22ms 6 May 2025 704th Yax42 🇫🇷 683 60 12ms 9 Sep 2025 708th potato-jackson 683 75 12ms 10 Sep 2021 708th osmith93 683 75 21ms 14 Jun 2022 708th aksyristos 683 75 46ms 18 Jan 2023 708th celiendonze 🇨🇭 683 75 12ms 11 Apr 2023 708th programjames 683 75 41ms 3 Feb 2024 708th bob-th 683 75 18ms 26 Jul 2024 708th fkantelberg 683 75 41ms 22 Jul 2025 715th Shanethegamer 🇺🇸 680 30 3ms 5 Nov 2023 715th MeWhenI 🇻🇦 680 30 3ms 6 Nov 2023 717th albanian-laundromat 678 57 2ms 4 Dec 2025 718th Shanethegamer 🇺🇸 678 107 417ms 27 May 2022 719th scpchicken 🇵🇼 677 48 519ms 8 Jan 2023 720th MeWhenI 🇻🇦 676 73 3ms 10 Oct 2023 First Prev 641–720 of 1,832 Next Last