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 | 1 |
| 3 | 2 |
| 4 | 5 |
| 5 | 6 |
| 6 | 7 |
| 7 | 26 |
| 8 | 30 |
| 9 | 77 |
| 10 | 205 |
| 11 | 330 |
| 12 | 677 |
| 13 | 802 |
| 14 | 901 |
| 15 | 1205 |
| 16 | 2026 |
| 17 | 4330 |
| 18 | 4677 |
| 19 | 7802 |
| 20 | 8901 |
| 21 | 48901 |
| 22 | 52026 |
| 23 | 71205 |
| 24 | 74330 |
| 25 | 107802 |
| 26 | 152026 |
| 27 | 271205 |
| 28 | 474330 |
| 29 | 904677 |
| 30 | 948901 |
| 31 | 2152026 |
| 32 | 5904677 |
| 33 | 7271205 |
| 34 | 8948901 |
| 35 | 9107802 |
| 36 | 10474330 |
| 37 | 22152026 |
| 38 | 55904677 |
| 39 | 77271205 |
| 40 | 88948901 |