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 NFA Simulator 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 NFA Simulator 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 373rd ListeriaM 837 70 3ms 21 Aug 2023 377th prplz 🇦🇺 836 44 36ms 1 May 2021 378th duckyluuk 🇳🇱 836 49 10ms 3 Oct 2024 379th MeWhenI 🇻🇦 836 94 53ms 8 May 2022 379th jared-hughes 836 94 54ms 20 Jul 2022 379th janbehrens 🇩🇪 836 94 54ms 20 Nov 2022 379th MateuszPietrzak 🇵🇱 836 94 54ms 11 Jan 2024 379th luuumine 🇫🇷 836 94 56ms 24 days ago 384th Shanethegamer 🇺🇸 835 58 2ms 24 May 2021 385th stefangimmillaro 835 73 41ms 21 Jun 2023 386th rucin93 🇵🇱 834 44 124ms 3 Aug 2024 387th sean-niemann 🇺🇸 831 92 331ms 26 Sep 2025 387th stefangimmillaro 831 92 352ms 6 Oct 2025 389th sean-niemann 🇺🇸 830 75 42ms 26 Apr 2025 390th lynn 829 83 1,421ms 13 Sep 2021 391st Shanethegamer 🇺🇸 828 64 99ms 24 May 2021 392nd GolfingSuccess 🇬🇷 828 95 54ms 2 Jan 2022 393rd edsrzf 🇳🇿 828 114 265ms 8 Nov 2024 394th Kloppermand 🇩🇰 827 62 10ms 23 Sep 2021 394th guilhem-roy 🇫🇷 827 62 11ms 24 Feb 2022 394th CedricGebistorf 827 62 15ms 26 Feb 2022 394th inventshah 827 62 42ms 15 Nov 2022 394th QuincyNash 🇺🇸 827 62 48ms 5 Dec 2022 394th StefanHabel 🇨🇦 827 62 11ms 20 Dec 2022 394th thehylian 827 62 12ms 26 Dec 2022 394th davecame 827 62 11ms 17 Nov 2023 394th Lewenhaupt 827 62 11ms 26 Apr 2024 394th HumanoidCPU 827 62 11ms 25 May 2024 394th dirckvdende 827 62 11ms 21 Jul 2025 405th lynn 825 29 38ms 1 May 2021 406th jared-hughes 825 71 3ms 17 Mar 2022 406th LorenzoDeGaspari 825 71 2ms 26 Jul 2022 406th 09cf 825 71 3ms 8 Oct 2023 406th AZTECCO 825 71 2ms 17 Sep 2025 410th stefangimmillaro 823 88 348ms 5 May 2023 410th Yax42 🇫🇷 823 88 338ms 16 Aug 2025 412th stefangimmillaro 823 95 123ms 28 May 2024 413th Lydxn 🇨🇦 822 54 95ms 28 Jun 2023 414th MeWhenI 🇻🇦 822 93 331ms 26 days ago 415th neihousaigaai 820 50 9ms 3 May 2021 415th uttumuttu 🇫🇮 820 50 9ms 8 Jan 2022 415th jared-hughes 820 50 9ms 6 Apr 2022 415th janbehrens 🇩🇪 820 50 9ms 31 May 2022 415th inventshah 820 50 9ms 15 Nov 2022 415th Maznek 820 50 9ms 28 Jun 2023 415th voytxt 🇨🇿 820 50 10ms 11 Jul 2024 422nd albanian-laundromat 820 76 42ms 6 Sep 2025 423rd typeswitch-dev 🇵🇹 818 81 7ms 4 Aug 2023 424th ovs-code 🇩🇪 818 88 452ms 14 Mar 2022 425th primo-ppcg 🇹🇭 817 64 125ms 6 Aug 2024 426th GrayJoKing 🇦🇺 817 66 97ms 6 Feb 2023 426th sean-niemann 🇺🇸 817 66 99ms 19 Jul 2024 428th KatieLG 🇬🇧 815 59 406ms 28 Oct 2024 429th primo-ppcg 🇹🇭 815 65 117ms 11 Jul 2022 430th nwellnhof 🇩🇪 814 38 10ms 14 Oct 2021 430th Steffan153 🇫🇮 814 38 3ms 29 Aug 2024 430th saito-ta 🇯🇵 814 38 4ms 4 Aug 2025 433rd edsrzf 🇳🇿 814 56 718ms 4 Sep 2025 433rd CaedenHarper 🇨🇦 814 56 718ms 2 Oct 2025 433rd albanian-laundromat 814 56 727ms 4 Nov 2025 436th prplz 🇦🇺 814 72 3ms 1 May 2021 436th NewDefectus 🇮🇱 814 72 2ms 3 May 2021 438th MeWhenI 🇻🇦 814 89 360ms 8 Dec 2022 439th firegene 🇮🇪 813 63 41ms 5 Jan 2023 439th hiichbindermax 813 63 11ms 17 Feb 2023 439th wh3n3v3r 🇨🇿 813 63 17ms 14 Nov 2024 439th Emutis 🇱🇹 813 63 11ms 15 Feb 2025 439th solisolu 813 63 30ms 7 days ago 444th primo-ppcg 🇹🇭 813 103 25ms 10 May 2023 445th SirBogman 🇺🇸 812 40 541ms 9 Apr 2022 446th dcgjb 810 48 408ms 22 Feb 2024 446th Steffan153 🇫🇮 810 48 297ms 9 Aug 2024 448th GrayJoKing 🇦🇺 809 61 7ms 11 Oct 2023 449th Steffan153 🇫🇮 809 89 393ms 23 Jul 2024 449th sean-niemann 🇺🇸 809 89 459ms 2 Jan 2025 First Prev 376–450 of 1,774 Next Last