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 | 0 |
| 4 | 1 |
| 5 | 1 |
| 6 | 5 |
| 7 | 4 |
| 8 | 18 |
| 9 | 19 |
| 10 | 73 |
| 11 | 73 |
| 12 | 278 |
| 13 | 283 |
| 14 | 1076 |
| 15 | 1090 |
| 16 | 4125 |
| 17 | 4183 |
| 18 | 15939 |
| 19 | 16105 |
| 20 | 61628 |
| 21 | 62170 |
| 22 | 239388 |
| 23 | 240907 |
| 24 | 932230 |
| 25 | 936447 |
| 26 | 3641945 |
| 27 | 3651618 |
| 28 | 14262540 |
| 29 | 14277519 |
| 30 | 55987858 |
| 31 | 55961118 |
| 32 | 220223982 |
| 33 | 219813564 |
| 34 | 867835023 |
| 35 | 865091976 |
| 36 | 3425442681 |