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 | 7 |
| 4 | 14 |
| 5 | 27 |
| 6 | 49 |
| 7 | 86 |
| 8 | 146 |
| 9 | 242 |
| 10 | 392 |
| 11 | 623 |
| 12 | 973 |
| 13 | 1498 |
| 14 | 2274 |
| 15 | 3411 |
| 16 | 5059 |
| 17 | 7427 |
| 18 | 10801 |
| 19 | 15572 |
| 20 | 22267 |
| 21 | 31602 |
| 22 | 44533 |
| 23 | 62338 |
| 24 | 86716 |
| 25 | 119918 |
| 26 | 164903 |
| 27 | 225566 |
| 28 | 306993 |
| 29 | 415814 |
| 30 | 560641 |
| 31 | 752622 |
| 32 | 1006132 |
| 33 | 1339677 |
| 34 | 1776980 |
| 35 | 2348384 |
| 36 | 3092594 |
| 37 | 4058848 |
| 38 | 5309608 |
| 39 | 6923959 |