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 | 1 |
| 1 | 11 |
| 2 | 65 |
| 3 | 276 |
| 4 | 945 |
| 5 | 2772 |
| 6 | 7228 |
| 7 | 17170 |
| 8 | 37807 |
| 9 | 78155 |
| 10 | 153154 |
| 11 | 286660 |
| 12 | 515570 |
| 13 | 895388 |
| 14 | 1507595 |
| 15 | 2469247 |
| 16 | 3945292 |
| 17 | 6164170 |
| 18 | 9437339 |
| 19 | 14183455 |
| 20 | 20958025 |
| 21 | 30489449 |
| 22 | 43722470 |
| 23 | 61870160 |
| 24 | 86475684 |
| 25 | 119485204 |
| 26 | 163333410 |
| 27 | 221043295 |
| 28 | 296341927 |
| 29 | 393794113 |
| 30 | 518955998 |
| 31 | 678550795 |
| 32 | 880669001 |
| 33 | 1134995618 |
| 34 | 1453067068 |
| 35 | 1848560666 |
| 36 | 2337619696 |
| 37 | 2939217322 |