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 | 2 |
| 3 | 7 |
| 4 | 16 |
| 5 | 36 |
| 6 | 72 |
| 7 | 141 |
| 8 | 232 |
| 9 | 424 |
| 10 | 630 |
| 11 | 1035 |
| 12 | 1284 |
| 13 | 2172 |
| 14 | 2716 |
| 15 | 4081 |
| 16 | 4848 |
| 17 | 7056 |
| 18 | 7290 |
| 19 | 11439 |
| 20 | 12960 |
| 21 | 17620 |
| 22 | 19712 |
| 23 | 26037 |
| 24 | 26568 |
| 25 | 37176 |
| 26 | 40638 |
| 27 | 51571 |
| 28 | 55832 |
| 29 | 69804 |
| 30 | 64440 |
| 31 | 92505 |
| 32 | 98912 |
| 33 | 120352 |
| 34 | 128146 |
| 35 | 154071 |
| 36 | 156348 |
| 37 | 194436 |
| 38 | 205352 |
| 39 | 242269 |
| 40 | 254920 |
| 41 | 298440 |
| 42 | 290766 |
| 43 | 363867 |
| 44 | 380776 |
| 45 | 439516 |