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 | 15 |
| 3 | 81 |
| 4 | 240 |
| 5 | 610 |
| 6 | 1230 |
| 7 | 2336 |
| 8 | 3840 |
| 9 | 6371 |
| 10 | 9455 |
| 11 | 14097 |
| 12 | 19615 |
| 13 | 27441 |
| 14 | 36205 |
| 15 | 48849 |
| 16 | 61874 |
| 17 | 79860 |
| 18 | 99470 |
| 19 | 124816 |
| 20 | 150846 |
| 21 | 186498 |
| 22 | 221646 |
| 23 | 267232 |
| 24 | 313840 |
| 25 | 373059 |
| 26 | 431599 |
| 27 | 508595 |
| 28 | 581009 |
| 29 | 673635 |
| 30 | 767835 |
| 31 | 881357 |
| 32 | 989615 |
| 33 | 1131667 |
| 34 | 1264111 |
| 35 | 1429875 |
| 36 | 1590464 |
| 37 | 1785010 |