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 | 0 |
| 2 | 0 |
| 3 | 0 |
| 4 | 0 |
| 5 | 1 |
| 6 | 0 |
| 7 | 0 |
| 8 | 0 |
| 9 | 0 |
| 10 | 1 |
| 11 | 2 |
| 12 | 3 |
| 13 | 4 |
| 14 | 5 |
| 15 | 7 |
| 16 | 9 |
| 17 | 13 |
| 18 | 17 |
| 19 | 24 |
| 20 | 32 |
| 21 | 44 |
| 22 | 58 |
| 23 | 79 |
| 24 | 103 |
| 25 | 138 |
| 26 | 180 |
| 27 | 237 |
| 28 | 307 |
| 29 | 402 |
| 30 | 517 |
| 31 | 670 |
| 32 | 859 |
| 33 | 1104 |
| 34 | 1407 |
| 35 | 1799 |
| 36 | 2280 |
| 37 | 2896 |
| 38 | 3656 |
| 39 | 4616 |
| 40 | 5801 |
| 41 | 7291 |
| 42 | 9120 |
| 43 | 11407 |
| 44 | 14215 |
| 45 | 17701 |
| 46 | 21971 |
| 47 | 27252 |
| 48 | 33699 |
| 49 | 41637 |
| 50 | 51314 |
| 51 | 63170 |
| 52 | 77590 |
| 53 | 95202 |