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 | 15 |
| 2 | 65 |
| 3 | 225 |
| 4 | 529 |
| 5 | 1185 |
| 6 | 2065 |
| 7 | 3745 |
| 8 | 5841 |
| 9 | 9105 |
| 10 | 13025 |
| 11 | 19105 |
| 12 | 25521 |
| 13 | 35361 |
| 14 | 45825 |
| 15 | 59905 |
| 16 | 75425 |
| 17 | 96865 |
| 18 | 117841 |
| 19 | 147505 |
| 20 | 177041 |
| 21 | 214961 |
| 22 | 254401 |
| 23 | 306321 |
| 24 | 355249 |
| 25 | 420929 |
| 26 | 485489 |
| 27 | 565265 |
| 28 | 645377 |
| 29 | 748081 |
| 30 | 841841 |
| 31 | 966881 |
| 32 | 1086241 |
| 33 | 1230401 |
| 34 | 1373185 |
| 35 | 1549825 |