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 | 6 |
| 1 | 87 |
| 2 | 0 |
| 3 | 0 |
| 4 | 6057 |
| 5 | 0 |
| 6 | 91257 |
| 7 | 526557 |
| 8 | 12710877 |
| 9 | 2054787 |
| 10 | 10234947 |
| 11 | 6222567 |
| 12 | 33407547 |
| 13 | 6589467 |
| 14 | 44514957 |
| 15 | 587445747 |
| 16 | 113139567 |
| 17 | 816858057 |
| 18 | 210160347 |
| 19 | 896654097 |
| 20 | 1523730387 |
| 21 | 1048338207 |
| 22 | 1309977027 |
| 23 | 2095519077 |
| 24 | 3453564567 |
| 25 | 1143089517 |
| 26 | 735261237 |
| 27 | 723151317 |
| 28 | 99411447 |
| 29 | 77882127 |