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 | 3 |
| 1 | 19 |
| 2 | 70 |
| 3 | 196 |
| 4 | 462 |
| 5 | 966 |
| 6 | 1848 |
| 7 | 3300 |
| 8 | 5577 |
| 9 | 9009 |
| 10 | 14014 |
| 11 | 21112 |
| 12 | 30940 |
| 13 | 44268 |
| 14 | 62016 |
| 15 | 85272 |
| 16 | 115311 |
| 17 | 153615 |
| 18 | 201894 |
| 19 | 262108 |
| 20 | 336490 |
| 21 | 427570 |
| 22 | 538200 |
| 23 | 671580 |
| 24 | 831285 |
| 25 | 1021293 |
| 26 | 1246014 |
| 27 | 1510320 |
| 28 | 1819576 |
| 29 | 2179672 |
| 30 | 2597056 |
| 31 | 3078768 |
| 32 | 3632475 |