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 | 9 |
| 2 | 73 |
| 3 | 252 |
| 4 | 585 |
| 5 | 1134 |
| 6 | 2044 |
| 7 | 3096 |
| 8 | 4681 |
| 9 | 6813 |
| 10 | 9198 |
| 11 | 11988 |
| 12 | 16380 |
| 13 | 19782 |
| 14 | 25112 |
| 15 | 31752 |
| 16 | 37449 |
| 17 | 44226 |
| 18 | 55261 |
| 19 | 61740 |
| 20 | 73710 |
| 21 | 86688 |
| 22 | 97236 |
| 23 | 109512 |
| 24 | 131068 |
| 25 | 141759 |
| 26 | 160454 |
| 27 | 183960 |
| 28 | 201240 |
| 29 | 219510 |
| 30 | 257544 |
| 31 | 268128 |
| 32 | 299593 |
| 33 | 335664 |
| 34 | 358722 |
| 35 | 390096 |
| 36 | 442845 |