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 | 1 |
| 3 | 1 |
| 4 | 1 |
| 5 | 1 |
| 6 | 2 |
| 7 | 3 |
| 8 | 4 |
| 9 | 4 |
| 10 | 6 |
| 11 | 10 |
| 12 | 11 |
| 13 | 16 |
| 14 | 18 |
| 15 | 33 |
| 16 | 34 |
| 17 | 56 |
| 18 | 56 |
| 19 | 110 |
| 20 | 106 |
| 21 | 193 |
| 22 | 177 |
| 23 | 372 |
| 24 | 335 |
| 25 | 662 |
| 26 | 571 |
| 27 | 1269 |
| 28 | 1084 |
| 29 | 2282 |
| 30 | 1875 |
| 31 | 4365 |
| 32 | 3568 |
| 33 | 7914 |
| 34 | 6257 |
| 35 | 15141 |
| 36 | 11935 |
| 37 | 27615 |
| 38 | 21170 |
| 39 | 52911 |
| 40 | 40486 |
| 41 | 96980 |
| 42 | 72490 |
| 43 | 186144 |
| 44 | 138981 |
| 45 | 342638 |
| 46 | 250814 |
| 47 | 658884 |
| 48 | 482029 |
| 49 | 1217327 |
| 50 | 875697 |
| 51 | 2345272 |
| 52 | 1686803 |