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 | 51 |
| 2 | 381 |
| 3 | 1451 |
| 4 | 3951 |
| 5 | 8801 |
| 6 | 17151 |
| 7 | 30381 |
| 8 | 50101 |
| 9 | 78151 |
| 10 | 116601 |
| 11 | 167751 |
| 12 | 234131 |
| 13 | 318501 |
| 14 | 423851 |
| 15 | 553401 |
| 16 | 710601 |
| 17 | 899131 |
| 18 | 1122901 |
| 19 | 1386051 |
| 20 | 1692951 |
| 21 | 2048201 |
| 22 | 2456631 |
| 23 | 2923301 |
| 24 | 3453501 |
| 25 | 4052751 |
| 26 | 4726801 |
| 27 | 5481631 |
| 28 | 6323451 |
| 29 | 7258701 |