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 | 0 |
| 2 | 0 |
| 3 | 1 |
| 4 | 11 |
| 5 | 48 |
| 6 | 140 |
| 7 | 329 |
| 8 | 668 |
| 9 | 1223 |
| 10 | 2074 |
| 11 | 3316 |
| 12 | 5060 |
| 13 | 7434 |
| 14 | 10584 |
| 15 | 14675 |
| 16 | 19892 |
| 17 | 26441 |
| 18 | 34550 |
| 19 | 44470 |
| 20 | 56476 |
| 21 | 70868 |
| 22 | 87972 |
| 23 | 108141 |
| 24 | 131756 |
| 25 | 159227 |
| 26 | 190994 |
| 27 | 227528 |
| 28 | 269332 |
| 29 | 316942 |
| 30 | 370928 |
| 31 | 431895 |
| 32 | 500484 |
| 33 | 577373 |
| 34 | 663278 |
| 35 | 758954 |