Van Eck Sequence in Python 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 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 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 ArkScript 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 ArkScript 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 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 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 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 237th osNiko 🇧🇷 582 91 17ms 22 Aug 2025 242nd MathieuIko 576 92 41ms 21 Feb 2022 242nd SniperSmiley 🇺🇸 576 92 16ms 21 Jun 2022 242nd Vaekor 576 92 15ms 28 Jul 2023 242nd eiburns 576 92 13ms 27 Oct 2023 246th jtaxen 570 93 23ms 5 Apr 2024 246th PyryL 🇫🇮 570 93 16ms 23 Aug 2024 246th Andrey2001 570 93 45ms 26 days ago 249th j-Ewan 564 94 22ms 1 Mar 2022 249th AbhilashaTandon 564 94 11ms 28 Feb 2023 249th briankuder 564 94 12ms 31 May 2023 252nd RDShah 558 95 39ms 25 Nov 2021 252nd inverseLorentz 🇦🇺 558 95 16ms 10 Jul 2022 252nd Ripick 558 95 14ms 30 Dec 2022 252nd fynnkroeger 558 95 16ms 6 Jan 2023 252nd brimstonetrader 558 95 16ms 22 Jan 2024 257th RKlazinga 552 96 16ms 14 Aug 2021 257th randolchance 552 96 30ms 9 Feb 2023 257th jmmographer 552 96 17ms 11 Nov 2023 260th smartiel 546 97 54ms 19 Sep 2022 260th qwjhvbxi 546 97 14ms 8 Feb 2024 262nd ehulinsky 🇺🇸 541 98 47ms 15 Nov 2021 262nd 0dyse 541 98 11ms 6 May 2025 262nd damoose717 541 98 15ms 23 May 2025 265th forlack 530 100 17ms 10 Nov 2021 265th midnattssol 🇸🇪 530 100 14ms 19 May 2022 267th WillowWispy 525 101 16ms 19 Mar 2025 268th janga1 520 102 22ms 26 Aug 2021 268th cafehaine 🇫🇷 520 102 16ms 24 May 2022 270th mothcolada 🇺🇸 515 103 23ms 25 May 2021 270th AIn0n 515 103 86ms 27 Oct 2021 270th adamnielson42 🇺🇸 515 103 16ms 8 Nov 2023 273rd mbittner20 510 104 18ms 27 May 2023 274th EvanDarwin 505 105 17ms 23 Aug 2021 274th Pena86 505 105 16ms 2 Jan 2022 274th karhuthebear 505 105 15ms 9 May 2022 274th Demonarchet 505 105 11ms 18 Apr 2023 274th DrPrettyman 505 105 14ms 31 May 2023 274th abhishekg999 505 105 14ms 20 Sep 2024 280th galloj 🇨🇿 500 106 44ms 30 Aug 2022 280th DGipe 500 106 16ms 1 Jul 2024 282nd alexjurkiewicz 🇦🇺 495 107 14ms 7 Nov 2023 283rd kevdah 491 108 19ms 7 Jul 2022 283rd jameswmccarty 491 108 18ms 23 Feb 2025 285th jiaminglimjm 🇲🇾 486 109 14ms 5 Jul 2024 286th hjcafaroUC 482 110 28ms 28 May 2021 287th NoahBolohan 🇨🇦 473 112 13ms 26 Jun 2024 288th 40fied4t 469 113 907ms 16 May 2025 289th twocatsinatrenchcoat 465 114 15ms 11 May 2022 290th raketexyz 461 115 21ms 18 Dec 2021 290th eddvrs 461 115 33ms 20 Aug 2022 290th kellantech 461 115 126ms 20 May 2023 293rd yoyoyonono 457 116 25ms 12 Apr 2022 294th kenny14231 453 117 20ms 11 Jul 2022 294th kzheng808 453 117 11ms 31 May 2023 296th andrewgopher 449 118 16ms 25 Jun 2022 296th LukasFolwarczny 🇨🇿 449 118 16ms 16 Sep 2022 298th try-except-try-accept 🇹🇭 445 119 21ms 5 Jul 2022 299th abrn 442 120 11ms 30 Jul 2022 300th Thestralos 434 122 13ms 2 Mar 2023 301st KWall1202 431 123 17ms 9 Feb 2022 301st kevinnaviapaiva 431 123 11ms 15 Feb 2025 303rd shibacho 🇯🇵 405 131 17ms 24 Mar 2022 304th mhenion8293 🇺🇸 402 132 30ms 23 Jan 2022 304th KingSkyrock 🇺🇸 402 132 21ms 24 Apr 2022 306th Trunksistor 🇫🇷 390 136 33ms 25 May 2022 307th ridingqwerty 🇺🇸 387 137 26ms 21 Dec 2023 308th aglahir1 384 138 18ms 5 Nov 2021 308th r-benson 🇬🇧 384 138 18ms 1 Feb 2023 310th joe0400 366 145 18ms 7 Sep 2021 311th Joe0400Student 363 146 17ms 2 Nov 2021 312th dgambit 351 151 44ms 2 Aug 2021 313th Matherubik1 342 155 21ms 22 Jul 2021 314th atazzam 🇺🇸 340 156 16ms 4 Apr 2022 315th 4ndyJ 🇬🇧 333 159 17ms 6 Mar 2023 316th dylanjones92 327 162 17ms 29 Jan 2024 317th landyrisbad 323 164 17ms 13 Nov 2022 318th vodker1 321 165 34ms 10 Mar 2022 318th dillon-duncando 321 165 52ms 4 Oct 2022 318th tails618 321 165 14ms 22 Aug 2023 First Prev 241–320 of 332 Next Last