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) |
|---|---|
| 1 | 0 |
| 2 | 0 |
| 3 | 4 |
| 4 | 20 |
| 5 | 36 |
| 6 | 52 |
| 7 | 128 |
| 8 | 216 |
| 9 | 328 |
| 10 | 464 |
| 11 | 636 |
| 12 | 796 |
| 13 | 908 |
| 14 | 1092 |
| 15 | 1324 |
| 16 | 1520 |
| 17 | 1716 |
| 18 | 1948 |
| 19 | 2144 |
| 20 | 2436 |
| 21 | 2716 |
| 22 | 2972 |
| 23 | 3264 |
| 24 | 3580 |
| 25 | 3812 |
| 26 | 4032 |
| 27 | 4168 |
| 28 | 4268 |
| 29 | 4416 |
| 30 | 4720 |
| 31 | 5012 |
| 32 | 5328 |
| 33 | 5716 |
| 34 | 6128 |
| 35 | 6504 |
| 36 | 6700 |
| 37 | 6932 |
| 38 | 7248 |
| 39 | 7684 |
| 40 | 8180 |
| 41 | 8676 |
| 42 | 9268 |
| 43 | 9680 |
| 44 | 10140 |
| 45 | 10624 |
| 46 | 11024 |
| 47 | 11400 |