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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 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 NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab Numbers Tower of Hanoi 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 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 NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab Numbers Tower of Hanoi Turtle Tutorial # Golfer Points Chars Time Submitted 675th snoozingnewt 🇺🇸 689 111 338ms 13 Oct 2025 677th MeWhenI 🇻🇦 688 56 2ms 4 Nov 2022 678th o0lit3 🇺🇸 687 45 14ms 4 May 2021 679th JunkIce 687 70 421ms 3 Dec 2024 680th msbranicky 684 83 4ms 4 Aug 2023 681st Naruyoko 683 60 17ms 13 Aug 2023 681st two-bad 🇬🇧 683 60 20ms 15 Feb 2024 681st emgordon154 683 60 21ms 6 May 2025 681st Yax42 🇫🇷 683 60 10ms 9 Sep 2025 685th potato-jackson 683 75 11ms 10 Sep 2021 685th osmith93 683 75 20ms 14 Jun 2022 685th aksyristos 683 75 48ms 18 Jan 2023 685th celiendonze 🇨🇭 683 75 11ms 11 Apr 2023 685th programjames 683 75 39ms 3 Feb 2024 685th bob-th 683 75 18ms 26 Jul 2024 685th fkantelberg 683 75 48ms 22 Jul 2025 692nd kkoenig 683 138 257ms 4 Jan 2024 693rd albanian-laundromat 683 248 13ms 18 Sep 2025 694th Shanethegamer 🇺🇸 680 30 3ms 5 Nov 2023 694th MeWhenI 🇻🇦 680 30 3ms 6 Nov 2023 696th scpchicken 🇵🇼 677 48 502ms 8 Jan 2023 697th Shanethegamer 🇺🇸 677 107 341ms 27 May 2022 698th MeWhenI 🇻🇦 676 73 3ms 10 Oct 2023 699th 77Tigers 674 76 43ms 27 May 2021 699th kyleclaassen 674 76 22ms 9 Feb 2022 699th za3k 674 76 16ms 16 Oct 2022 699th cros107 🇦🇺 674 76 46ms 6 Aug 2023 703rd emgordon154 674 116 155ms 22 Feb 2025 704th heypwesto 🇳🇿 672 46 3ms 3 Jun 2021 705th MeWhenI 🇻🇦 672 54 4ms 29 May 2023 706th FlorianCassayre 🇫🇷 672 61 10ms 22 Jan 2023 707th Shanethegamer 🇺🇸 672 117 54ms 28 Dec 2022 708th rucin93 🇵🇱 671 114 340ms 24 Sep 2025 709th Skwerl23 670 58 303ms 6 Feb 2023 710th MeWhenI 🇻🇦 670 68 693ms 15 Sep 2025 711th meenie 668 55 41ms 1 May 2021 711th KatieLG 🇬🇧 668 55 40ms 3 May 2021 711th olivermrose 🇺🇸 668 55 37ms 6 Nov 2021 711th shinh 668 55 47ms 22 Jun 2022 711th Andriamanitra 🇫🇮 668 55 44ms 17 Jul 2023 716th m42km 668 72 461ms 1 Feb 2024 717th voytxt 🇨🇿 667 55 139ms 3 Aug 2024 718th madex 🇩🇪 666 88 3ms 15 Jun 2023 718th Alex-x90 🇺🇸 666 88 3ms 1 Oct 2023 720th janbehrens 🇩🇪 665 54 12ms 11 Jun 2021 721st LeeCamp 665 77 24ms 23 Dec 2021 721st codewrite 🇬🇧 665 77 10ms 9 Jul 2025 723rd albanian-laundromat 664 58 2ms 17 days ago 724th Natanaelel 🇸🇪 664 81 178ms 7 Jul 2025 725th Natanaelel 🇸🇪 663 49 100ms 12 Feb 2023 726th elgan65536 662 118 149ms 30 Mar 2024 727th didion0 🇺🇸 661 62 9ms 6 May 2021 727th MeWhenI 🇻🇦 661 62 19ms 12 Jun 2021 729th snoozingnewt 🇺🇸 661 109 493ms 13 Oct 2025 730th annaproxy 659 110 357ms 29 Mar 2022 730th Matgc04 659 110 357ms 25 May 2023 730th Yewzir 🇧🇪 659 110 365ms 11 Feb 2024 733rd janbehrens 🇩🇪 659 127 27ms 9 Jul 2021 734th NewDefectus 🇮🇱 658 47 3ms 19 Dec 2021 735th CatsAreFluffy 658 89 2ms 15 Jan 2023 736th Indivicivet 657 78 55ms 26 Oct 2021 736th SirFireball3521 657 78 16ms 14 Mar 2023 738th MeWhenI 🇻🇦 652 99 2,832ms 24 Oct 2024 739th raphaelimahorn 650 63 12ms 10 Aug 2021 740th Stockoh 🇫🇷 650 74 432ms 24 Jun 2024 741st pascscha 649 79 16ms 28 Mar 2022 742nd scpchicken 🇵🇼 648 83 185ms 25 Feb 2023 743rd kmathis22 648 118 344ms 23 Oct 2025 744th KatieLG 🇬🇧 647 37 35ms 20 Oct 2021 745th DialFrost 🇸🇬 647 71 28ms 28 Feb 2025 746th aliakseikalosha 647 112 339ms 21 Nov 2021 746th CaedenHarper 🇨🇦 647 112 347ms 17 Oct 2025 748th nephila-nacrea 🇬🇧 644 48 3ms 1 May 2021 748th JRaspass 🇬🇧 644 48 3ms 1 Sep 2021 748th Natanaelel 🇸🇪 644 48 3ms 26 Jan 2022 First Prev 676–750 of 1,766 Next Last