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 | 22 |
| 2 | 158 |
| 3 | 654 |
| 4 | 1980 |
| 5 | 4906 |
| 6 | 10577 |
| 7 | 20588 |
| 8 | 37059 |
| 9 | 62710 |
| 10 | 100936 |
| 11 | 155882 |
| 12 | 232518 |
| 13 | 336714 |
| 14 | 475315 |
| 15 | 656216 |
| 16 | 888437 |
| 17 | 1182198 |
| 18 | 1548994 |
| 19 | 2001670 |
| 20 | 2554496 |
| 21 | 3223242 |
| 22 | 4025253 |
| 23 | 4979524 |
| 24 | 6106775 |
| 25 | 7429526 |
| 26 | 8972172 |
| 27 | 10761058 |
| 28 | 12824554 |
| 29 | 15193130 |
| 30 | 17899431 |
| 31 | 20978352 |
| 32 | 24467113 |
| 33 | 28405334 |
| 34 | 32835110 |
| 35 | 37801086 |