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) |
|---|---|
| 1 | 1 |
| 2 | 4 |
| 3 | 14 |
| 4 | 31 |
| 5 | 55 |
| 6 | 86 |
| 7 | 124 |
| 8 | 169 |
| 9 | 221 |
| 10 | 280 |
| 11 | 346 |
| 12 | 419 |
| 13 | 499 |
| 14 | 586 |
| 15 | 680 |
| 16 | 781 |
| 17 | 889 |
| 18 | 1004 |
| 19 | 1126 |
| 20 | 1255 |
| 21 | 1391 |
| 22 | 1534 |
| 23 | 1684 |
| 24 | 1841 |
| 25 | 2005 |
| 26 | 2176 |
| 27 | 2354 |
| 28 | 2539 |
| 29 | 2731 |
| 30 | 2930 |
| 31 | 3136 |
| 32 | 3349 |
| 33 | 3569 |
| 34 | 3796 |
| 35 | 4030 |
| 36 | 4271 |
| 37 | 4519 |
| 38 | 4774 |
| 39 | 5036 |