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 | 1 |
| 4 | 1 |
| 5 | 3 |
| 6 | 7 |
| 7 | 5 |
| 8 | 5 |
| 9 | 23 |
| 10 | 39 |
| 11 | 63 |
| 12 | 17 |
| 13 | 209 |
| 14 | 185 |
| 15 | 1207 |
| 16 | 127 |
| 17 | 765 |
| 18 | 15543 |
| 19 | 2499 |
| 20 | 1139 |
| 21 | 2257 |
| 22 | 6327 |
| 23 | 309 |
| 24 | 21527 |
| 25 | 2189 |
| 26 | 64273 |
| 27 | 6127 |
| 28 | 883 |
| 29 | 21681 |
| 30 | 3835077 |
| 31 | 30537 |
| 32 | 188579 |
| 33 | 7091843 |
| 34 | 47895 |
| 35 | 8447 |
| 36 | 556651 |
| 37 | 541 |
| 38 | 1978953 |
| 39 | 22046359 |
| 40 | 1726463 |
| 41 | 188751 |
| 42 | 45916389 |
| 43 | 575107 |
| 44 | 2289527 |
| 45 | 968180019 |
| 46 | 283521 |
| 47 | 50207679 |
| 48 | 7450167293 |
| 49 | 385389 |
| 50 | 86547757 |