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 ><> 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 ALGOL 68 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 ><> 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 ALGOL 68 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 237th SirBogman 🇺🇸 889 18 81ms 11 Sep 2022 237th AlephSquirrel 889 18 46ms 28 Apr 2023 237th Steffan153 🇫🇮 889 18 53ms 15 Aug 2024 237th emgordon154 889 18 81ms 10 Sep 2024 237th plcc0 889 18 81ms 6 Apr 2025 246th GrayJoKing 🇦🇺 889 48 9ms 29 Jan 2025 247th rak1507 🇬🇧 887 23 3ms 21 Jan 2022 248th ashtraypettingzoo 🇺🇸 886 27 33ms 23 Feb 2023 248th HPWiz 🇳🇿 886 27 33ms 16 Aug 2023 250th GrayJoKing 🇦🇺 886 52 62ms 9 Dec 2025 251st emplv 🇱🇻 885 41 6ms 6 May 2021 251st Steffan153 🇫🇮 885 41 5ms 25 Aug 2024 251st sean-niemann 🇺🇸 885 41 5ms 28 Apr 2025 254th CLOStrophobic 🇮🇹 885 69 17ms 20 Jan 2025 254th kg583 🇺🇸 885 69 17ms 20 Jan 2025 256th Lydxn 🇨🇦 884 35 3ms 28 Jun 2023 257th neihousaigaai 884 58 11ms 3 May 2021 257th OllieBoyne 🇬🇧 884 58 11ms 14 May 2021 257th TobyBoyne 🇬🇧 884 58 11ms 14 May 2021 257th yzhs 🇩🇪 884 58 11ms 27 Jun 2021 257th lzahray 884 58 13ms 24 Oct 2022 257th DialFrost 🇸🇬 884 58 21ms 26 Jul 2024 257th KasperKivimaeki 🇫🇮 884 58 11ms 5 Jul 2025 257th wuduculfre 884 58 12ms 21 Jul 2025 257th Flekay 🇩🇪 884 58 10ms 15 hours ago 266th primo-ppcg 🇹🇭 884 69 39ms 11 Jul 2022 267th JayXon 🇺🇸 884 73 2,197ms 12 Nov 2024 267th pardouin 🇫🇷 884 73 2,271ms 27 Dec 2024 269th canissimia 🇦🇶 884 228 42ms 19 Jun 2022 270th btnlq 883 44 464ms 1 May 2021 271st Lydxn 🇨🇦 883 48 967ms 28 Jun 2023 271st HPWiz 🇳🇿 883 48 981ms 9 Jan 2024 273rd m-tkach 🇺🇦 883 95 24ms 10 May 2023 274th Steffan153 🇫🇮 882 55 2ms 31 Jan 2023 275th Shanethegamer 🇺🇸 882 78 1,394ms 15 Mar 2023 276th Steffan153 🇫🇮 881 56 3ms 18 Jul 2024 276th rucin93 🇵🇱 881 56 3ms 1 Jun 2025 278th zacjl 881 61 35ms 15 Dec 2024 279th JayXon 🇺🇸 880 82 461ms 28 Feb 2022 280th m-tkach 🇺🇦 880 90 34ms 15 Jan 2024 281st DialFrost 🇸🇬 879 51 934ms 5 Sep 2025 281st sean-niemann 🇺🇸 879 51 768ms 15 Sep 2025 281st xsot 🇸🇬 879 51 1,694ms 22 Nov 2025 284th kg583 🇺🇸 879 79 40ms 14 Feb 2025 285th canissimia 🇦🇶 879 107 408ms 29 Jun 2022 286th Lydxn 🇨🇦 878 44 2ms 30 Oct 2022 286th primo-ppcg 🇹🇭 878 44 2ms 7 Nov 2022 288th primo-ppcg 🇹🇭 877 41 7ms 19 May 2021 289th m-tkach 🇺🇦 877 93 7ms 12 Jun 2022 289th MeWhenI 🇻🇦 877 93 7ms 16 May 2023 291st stefangimmillaro 876 42 38ms 7 Apr 2023 292nd ovs-code 🇩🇪 876 55 402ms 15 Jan 2024 292nd GrayJoKing 🇦🇺 876 55 519ms 16 Jan 2024 292nd lifthrasiir 🇰🇷 876 55 436ms 2 Dec 2024 295th Shanethegamer 🇺🇸 876 63 89ms 1 Jun 2022 296th snyderek 🇺🇸 874 90 59ms 9 Nov 2024 297th prplz 🇦🇺 872 47 11ms 1 May 2021 297th biocommando 🇫🇮 872 47 9ms 10 Aug 2023 299th Shanethegamer 🇺🇸 872 60 134ms 17 Feb 2023 300th AlephSquirrel 872 70 20ms 19 Jan 2025 301st GrayJoKing 🇦🇺 872 76 9ms 27 Jul 2023 302nd primo-ppcg 🇹🇭 871 195 12ms 13 Aug 2025 303rd primo-ppcg 🇹🇭 870 53 67ms 18 Sep 2023 303rd Kacarott 🇦🇺 870 53 67ms 13 Sep 2024 305th TimHuisman1703 869 59 12ms 7 Jan 2022 305th anter69 🇭🇺 869 59 22ms 22 Jan 2022 305th KatieLG 🇬🇧 869 59 46ms 11 Dec 2022 305th wuzekai518 869 59 10ms 28 Jun 2024 305th albanian-laundromat 869 59 12ms 30 Jul 2025 305th RaBa21 🇭🇺 869 59 12ms 11 Aug 2025 305th Lv0Sys 🇵🇱 869 59 12ms 5 Dec 2025 312th GrayJoKing 🇦🇺 869 83 450ms 14 Mar 2022 313th namelessiw 869 88 469ms 15 Nov 2025 313th DialFrost 🇸🇬 869 88 514ms 16 Nov 2025 315th RockOfStone 866 56 2ms 5 Nov 2021 316th sean-niemann 🇺🇸 865 71 87ms 30 Dec 2024 317th DialFrost 🇸🇬 865 76 114ms 30 Nov 2025 317th snoozingnewt 🇨🇦 865 76 116ms 30 Nov 2025 319th bitsandbeyond 🇳🇱 864 45 632ms 5 Nov 2025 320th primo-ppcg 🇹🇭 864 84 412ms 21 Nov 2021 First Prev 241–320 of 1,809 Next Last