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 | 42 |
| 1 | 132 |
| 2 | 297 |
| 3 | 572 |
| 4 | 1001 |
| 5 | 1638 |
| 6 | 2548 |
| 7 | 3808 |
| 8 | 5508 |
| 9 | 7752 |
| 10 | 10659 |
| 11 | 14364 |
| 12 | 19019 |
| 13 | 24794 |
| 14 | 31878 |
| 15 | 40480 |
| 16 | 50830 |
| 17 | 63180 |
| 18 | 77805 |
| 19 | 95004 |
| 20 | 115101 |
| 21 | 138446 |
| 22 | 165416 |
| 23 | 196416 |
| 24 | 231880 |
| 25 | 272272 |
| 26 | 318087 |
| 27 | 369852 |
| 28 | 428127 |
| 29 | 493506 |
| 30 | 566618 |
| 31 | 648128 |
| 32 | 738738 |
| 33 | 839188 |
| 34 | 950257 |
| 35 | 1072764 |