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 | 2 |
| 2 | 7 |
| 3 | 15 |
| 4 | 21 |
| 5 | 30 |
| 6 | 61 |
| 7 | 90 |
| 8 | 177 |
| 9 | 216 |
| 10 | 395 |
| 11 | 965 |
| 12 | 1628 |
| 13 | 2206 |
| 14 | 2212 |
| 15 | 3040 |
| 16 | 10727 |
| 17 | 10954 |
| 18 | 29529 |
| 19 | 62758 |
| 20 | 94357 |
| 21 | 196992 |
| 22 | 314967 |
| 23 | 608805 |
| 24 | 1258717 |
| 25 | 1767289 |
| 26 | 2449005 |
| 27 | 7939395 |
| 28 | 9373169 |
| 29 | 16855002 |
| 30 | 16855004 |
| 31 | 32881951 |
| 32 | 41084088 |
| 33 | 83715358 |
| 34 | 90288095 |
| 35 | 151449068 |
| 36 | 315082046 |