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 | 0 |
| 1 | 0 |
| 2 | 0 |
| 3 | 0 |
| 4 | 0 |
| 5 | 0 |
| 6 | 0 |
| 7 | 1 |
| 8 | 2 |
| 9 | 3 |
| 10 | 6 |
| 11 | 9 |
| 12 | 13 |
| 13 | 22 |
| 14 | 33 |
| 15 | 51 |
| 16 | 74 |
| 17 | 104 |
| 18 | 142 |
| 19 | 194 |
| 20 | 261 |
| 21 | 351 |
| 22 | 464 |
| 23 | 616 |
| 24 | 802 |
| 25 | 1047 |
| 26 | 1344 |
| 27 | 1716 |
| 28 | 2186 |
| 29 | 2766 |
| 30 | 3473 |
| 31 | 4367 |
| 32 | 5448 |
| 33 | 6774 |
| 34 | 8375 |
| 35 | 10329 |
| 36 | 12685 |
| 37 | 15553 |
| 38 | 18982 |
| 39 | 23098 |
| 40 | 28046 |
| 41 | 33966 |
| 42 | 40976 |
| 43 | 49381 |
| 44 | 59301 |
| 45 | 71095 |
| 46 | 85017 |
| 47 | 101491 |
| 48 | 120859 |