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 | 1 |
| 2 | 1 |
| 3 | 1 |
| 4 | 4 |
| 5 | 7 |
| 6 | 13 |
| 7 | 25 |
| 8 | 49 |
| 9 | 94 |
| 10 | 181 |
| 11 | 349 |
| 12 | 673 |
| 13 | 1297 |
| 14 | 25 |
| 15 | 2344 |
| 16 | 4339 |
| 17 | 85 |
| 18 | 6793 |
| 19 | 13561 |
| 20 | 24778 |
| 21 | 45217 |
| 22 | 9349 |
| 23 | 9295 |
| 24 | 88639 |
| 25 | 1525 |
| 26 | 1888 |
| 27 | 11347 |
| 28 | 13399 |
| 29 | 28159 |
| 30 | 54793 |
| 31 | 17698 |
| 32 | 11449 |
| 33 | 11299 |
| 34 | 95239 |
| 35 | 135685 |
| 36 | 253672 |
| 37 | 495895 |
| 38 | 98491 |
| 39 | 983743 |
| 40 | 183181 |
| 41 | 176131 |
| 42 | 1441546 |
| 43 | 278461 |
| 44 | 279319 |
| 45 | 2175457 |