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 | 6 |
| 3 | 16 |
| 4 | 41 |
| 5 | 71 |
| 6 | 147 |
| 7 | 211 |
| 8 | 371 |
| 9 | 511 |
| 10 | 791 |
| 11 | 1002 |
| 12 | 1547 |
| 13 | 1821 |
| 14 | 2596 |
| 15 | 3146 |
| 16 | 4247 |
| 17 | 4846 |
| 18 | 6627 |
| 19 | 7316 |
| 20 | 9681 |
| 21 | 10852 |
| 22 | 13657 |
| 23 | 14951 |
| 24 | 19427 |
| 25 | 20546 |
| 26 | 25577 |
| 27 | 27916 |
| 28 | 34096 |
| 29 | 35961 |
| 30 | 44912 |
| 31 | 46377 |
| 32 | 56607 |
| 33 | 59922 |
| 34 | 70896 |
| 35 | 74096 |
| 36 | 90278 |
| 37 | 91391 |
| 38 | 108591 |
| 39 | 113766 |
| 40 | 133421 |