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 | 12 |
| 2 | 51 |
| 3 | 176 |
| 4 | 715 |
| 5 | 925 |
| 6 | 1426 |
| 7 | 3151 |
| 8 | 3290 |
| 9 | 10795 |
| 10 | 15251 |
| 11 | 16172 |
| 12 | 19097 |
| 13 | 79235 |
| 14 | 92132 |
| 15 | 114955 |
| 16 | 117460 |
| 17 | 119992 |
| 18 | 127750 |
| 19 | 150575 |
| 20 | 355510 |
| 21 | 755795 |
| 22 | 779401 |
| 23 | 1010651 |
| 24 | 1108970 |
| 25 | 1258126 |
| 26 | 1274665 |
| 27 | 1294097 |
| 28 | 1463722 |
| 29 | 1466687 |
| 30 | 1675345 |
| 31 | 1881040 |