This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.
| n | a(n) |
|---|---|
| 0 | 0 |
| 1 | 1 |
| 2 | 3 |
| 3 | 5 |
| 4 | 9 |
| 5 | 13 |
| 6 | 18 |
| 7 | 23 |
| 8 | 31 |
| 9 | 39 |
| 10 | 48 |
| 11 | 57 |
| 12 | 68 |
| 13 | 79 |
| 14 | 91 |
| 15 | 103 |
| 16 | 119 |
| 17 | 135 |
| 18 | 152 |
| 19 | 169 |
| 20 | 188 |
| 21 | 207 |
| 22 | 227 |
| 23 | 247 |
| 24 | 270 |
| 25 | 293 |
| 26 | 317 |
| 27 | 341 |
| 28 | 367 |
| 29 | 393 |
| 30 | 420 |
| 31 | 447 |
| 32 | 479 |
| 33 | 511 |
| 34 | 544 |
| 35 | 577 |
| 36 | 612 |
| 37 | 647 |
| 38 | 683 |
| 39 | 719 |
| 40 | 758 |
| 41 | 797 |
| 42 | 837 |
| 43 | 877 |
| 44 | 919 |
| 45 | 961 |
| 46 | 1004 |
| 47 | 1047 |
| 48 | 1094 |
| 49 | 1141 |
| 50 | 1189 |