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 | 44 |
| 1 | 309 |
| 2 | 1214 |
| 3 | 3539 |
| 4 | 8544 |
| 5 | 18089 |
| 6 | 34754 |
| 7 | 61959 |
| 8 | 104084 |
| 9 | 166589 |
| 10 | 256134 |
| 11 | 380699 |
| 12 | 549704 |
| 13 | 774129 |
| 14 | 1066634 |
| 15 | 1441679 |
| 16 | 1915644 |
| 17 | 2506949 |
| 18 | 3236174 |
| 19 | 4126179 |
| 20 | 5202224 |
| 21 | 6492089 |
| 22 | 8026194 |
| 23 | 9837719 |
| 24 | 11962724 |
| 25 | 14440269 |
| 26 | 17312534 |
| 27 | 20624939 |
| 28 | 24426264 |