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 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 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 Calendar 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 Multitap Input 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 Arturo Befunge BQN CJam CoffeeScript Egel Fennel Harbour Hare Haxe Hush Hy iogii Knight 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 Arturo Befunge BQN CJam CoffeeScript Egel Fennel Harbour Hare Haxe Hush Hy iogii Knight 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 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 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 Calendar 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 Multitap Input 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 673rd TheZwierzLF 🇵🇱 693 74 11ms 24 May 2025 677th MeWhenI 🇻🇦 692 90 41ms 17 Feb 2023 678th ian-h-chamberlain 🇺🇸 692 113 122ms 6 Jul 2022 679th frankgraziano 692 245 15ms 30 Sep 2025 680th Shanethegamer 🇺🇸 691 78 101ms 15 Oct 2022 681st arjanadriaanse 🇳🇱 690 78 141ms 10 Feb 2022 681st tobeannouncd 690 78 1,395ms 8 Jan 2024 683rd MeWhenI 🇻🇦 689 56 2ms 4 Nov 2022 684th emgordon154 689 85 2ms 24 Dec 2021 685th Shanethegamer 🇺🇸 689 111 431ms 25 Sep 2025 685th snoozingnewt 🇨🇦 689 111 441ms 13 Oct 2025 687th o0lit3 🇺🇸 687 45 11ms 4 May 2021 688th JunkIce 687 70 385ms 3 Dec 2024 689th msbranicky 684 83 2ms 4 Aug 2023 690th kkoenig 684 138 267ms 4 Jan 2024 691st Naruyoko 683 60 13ms 13 Aug 2023 691st two-bad 🇬🇧 683 60 20ms 15 Feb 2024 691st emgordon154 683 60 21ms 6 May 2025 691st Yax42 🇫🇷 683 60 10ms 9 Sep 2025 695th potato-jackson 683 75 15ms 10 Sep 2021 695th osmith93 683 75 20ms 14 Jun 2022 695th aksyristos 683 75 43ms 18 Jan 2023 695th celiendonze 🇨🇭 683 75 11ms 11 Apr 2023 695th programjames 683 75 42ms 3 Feb 2024 695th bob-th 683 75 28ms 26 Jul 2024 695th fkantelberg 683 75 38ms 22 Jul 2025 702nd albanian-laundromat 683 248 13ms 18 Sep 2025 703rd Shanethegamer 🇺🇸 680 30 3ms 5 Nov 2023 703rd MeWhenI 🇻🇦 680 30 3ms 6 Nov 2023 705th scpchicken 🇵🇼 677 48 755ms 8 Jan 2023 706th albanian-laundromat 677 57 2ms 10 days ago 707th Shanethegamer 🇺🇸 677 107 341ms 27 May 2022 708th MeWhenI 🇻🇦 676 73 3ms 10 Oct 2023 709th 77Tigers 674 76 44ms 27 May 2021 709th kyleclaassen 674 76 21ms 9 Feb 2022 709th za3k 674 76 15ms 16 Oct 2022 709th cros107 🇦🇺 674 76 45ms 6 Aug 2023 713th emgordon154 674 116 144ms 22 Feb 2025 714th heypwesto 🇳🇿 672 46 2ms 3 Jun 2021 715th MeWhenI 🇻🇦 672 54 5ms 29 May 2023 716th FlorianCassayre 🇫🇷 672 61 9ms 22 Jan 2023 717th Shanethegamer 🇺🇸 672 117 55ms 28 Dec 2022 718th rucin93 🇵🇱 671 114 540ms 24 Sep 2025 719th Skwerl23 670 58 364ms 6 Feb 2023 720th MeWhenI 🇻🇦 670 68 699ms 15 Sep 2025 721st meenie 668 55 37ms 1 May 2021 721st KatieLG 🇬🇧 668 55 37ms 3 May 2021 721st olivermrose 🇺🇸 668 55 35ms 6 Nov 2021 721st shinh 668 55 39ms 22 Jun 2022 721st Andriamanitra 🇫🇮 668 55 42ms 17 Jul 2023 726th m42km 668 72 443ms 1 Feb 2024 727th voytxt 🇨🇿 667 55 129ms 3 Aug 2024 728th LeeCamp 666 77 23ms 23 Dec 2021 728th codewrite 🇬🇧 666 77 11ms 9 Jul 2025 730th madex 🇩🇪 666 88 2ms 15 Jun 2023 730th Alex-x90 🇺🇸 666 88 2ms 1 Oct 2023 732nd janbehrens 🇩🇪 665 54 10ms 11 Jun 2021 733rd Natanaelel 🇸🇪 664 81 142ms 7 Jul 2025 734th Natanaelel 🇸🇪 663 49 120ms 12 Feb 2023 735th elgan65536 662 118 151ms 30 Mar 2024 736th didion0 🇺🇸 661 62 9ms 6 May 2021 736th MeWhenI 🇻🇦 661 62 22ms 12 Jun 2021 738th snoozingnewt 🇨🇦 661 109 406ms 13 Oct 2025 739th annaproxy 659 110 341ms 29 Mar 2022 739th Matgc04 659 110 362ms 25 May 2023 739th Yewzir 🇧🇪 659 110 343ms 11 Feb 2024 742nd janbehrens 🇩🇪 659 127 26ms 9 Jul 2021 743rd NewDefectus 🇮🇱 658 47 2ms 19 Dec 2021 744th CatsAreFluffy 658 89 2ms 15 Jan 2023 745th Indivicivet 657 78 58ms 26 Oct 2021 745th SirFireball3521 657 78 16ms 14 Mar 2023 747th MeWhenI 🇻🇦 652 99 2,688ms 24 Oct 2024 748th raphaelimahorn 650 63 12ms 10 Aug 2021 749th Stockoh 🇫🇷 650 74 355ms 24 Jun 2024 750th pascscha 649 79 16ms 28 Mar 2022 First Prev 676–750 of 1,782 Next Last