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 | 0 |
| 2 | 6 |
| 3 | 22 |
| 4 | 54 |
| 5 | 114 |
| 6 | 210 |
| 7 | 357 |
| 8 | 564 |
| 9 | 847 |
| 10 | 1229 |
| 11 | 1715 |
| 12 | 2334 |
| 13 | 3107 |
| 14 | 4052 |
| 15 | 5191 |
| 16 | 6542 |
| 17 | 8152 |
| 18 | 10022 |
| 19 | 12187 |
| 20 | 14683 |
| 21 | 17531 |
| 22 | 20768 |
| 23 | 24421 |
| 24 | 28546 |
| 25 | 33118 |
| 26 | 38236 |
| 27 | 43934 |
| 28 | 50203 |
| 29 | 57097 |
| 30 | 64683 |
| 31 | 72992 |
| 32 | 82025 |
| 33 | 91932 |
| 34 | 102588 |
| 35 | 114204 |
| 36 | 126726 |
| 37 | 140235 |
| 38 | 154787 |
| 39 | 170426 |
| 40 | 187134 |