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 | 0 |
| 8 | 0 |
| 9 | 0 |
| 10 | 2 |
| 11 | 7 |
| 12 | 11 |
| 13 | 28 |
| 14 | 41 |
| 15 | 79 |
| 16 | 115 |
| 17 | 191 |
| 18 | 273 |
| 19 | 408 |
| 20 | 553 |
| 21 | 811 |
| 22 | 1068 |
| 23 | 1474 |
| 24 | 1919 |
| 25 | 2585 |
| 26 | 3295 |
| 27 | 4343 |
| 28 | 5446 |
| 29 | 6999 |
| 30 | 8701 |
| 31 | 10998 |
| 32 | 13509 |
| 33 | 16863 |
| 34 | 20502 |
| 35 | 25220 |
| 36 | 30430 |
| 37 | 37036 |
| 38 | 44292 |
| 39 | 53431 |
| 40 | 63414 |
| 41 | 75762 |
| 42 | 89378 |
| 43 | 105914 |
| 44 | 124117 |
| 45 | 146169 |
| 46 | 170271 |
| 47 | 199086 |