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 | 1 |
| 2 | 4 |
| 3 | 9 |
| 4 | 20 |
| 5 | 35 |
| 6 | 66 |
| 7 | 91 |
| 8 | 136 |
| 9 | 171 |
| 10 | 230 |
| 11 | 319 |
| 12 | 372 |
| 13 | 481 |
| 14 | 574 |
| 15 | 645 |
| 16 | 752 |
| 17 | 901 |
| 18 | 1062 |
| 19 | 1159 |
| 20 | 1340 |
| 21 | 1491 |
| 22 | 1606 |
| 23 | 1817 |
| 24 | 1992 |
| 25 | 2225 |
| 26 | 2522 |
| 27 | 2727 |
| 28 | 2884 |
| 29 | 3103 |
| 30 | 3270 |
| 31 | 3503 |
| 32 | 4064 |
| 33 | 4323 |
| 34 | 4658 |
| 35 | 4865 |
| 36 | 5364 |
| 37 | 5587 |
| 38 | 5966 |
| 39 | 6357 |
| 40 | 6680 |
| 41 | 7093 |
| 42 | 7518 |
| 43 | 7783 |
| 44 | 8404 |
| 45 | 8685 |
| 46 | 9062 |
| 47 | 9353 |