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 | 7 |
| 3 | 15 |
| 4 | 28 |
| 5 | 43 |
| 6 | 63 |
| 7 | 85 |
| 8 | 112 |
| 9 | 141 |
| 10 | 175 |
| 11 | 211 |
| 12 | 252 |
| 13 | 295 |
| 14 | 343 |
| 15 | 393 |
| 16 | 448 |
| 17 | 505 |
| 18 | 567 |
| 19 | 631 |
| 20 | 700 |
| 21 | 771 |
| 22 | 847 |
| 23 | 925 |
| 24 | 1008 |
| 25 | 1093 |
| 26 | 1183 |
| 27 | 1275 |
| 28 | 1372 |
| 29 | 1471 |
| 30 | 1575 |
| 31 | 1681 |
| 32 | 1792 |
| 33 | 1905 |
| 34 | 2023 |
| 35 | 2143 |
| 36 | 2268 |
| 37 | 2395 |
| 38 | 2527 |
| 39 | 2661 |
| 40 | 2800 |
| 41 | 2941 |
| 42 | 3087 |
| 43 | 3235 |
| 44 | 3388 |
| 45 | 3543 |