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 | 3 |
| 3 | 7 |
| 4 | 16 |
| 5 | 33 |
| 6 | 63 |
| 7 | 117 |
| 8 | 202 |
| 9 | 344 |
| 10 | 566 |
| 11 | 908 |
| 12 | 1419 |
| 13 | 2206 |
| 14 | 3334 |
| 15 | 4988 |
| 16 | 7378 |
| 17 | 10778 |
| 18 | 15535 |
| 19 | 22281 |
| 20 | 31547 |
| 21 | 44405 |
| 22 | 62011 |
| 23 | 85939 |
| 24 | 118281 |
| 25 | 162136 |
| 26 | 220494 |
| 27 | 298531 |
| 28 | 402163 |
| 29 | 539181 |
| 30 | 719301 |
| 31 | 956287 |
| 32 | 1265022 |
| 33 | 1667973 |
| 34 | 2190934 |
| 35 | 2867470 |
| 36 | 3739797 |
| 37 | 4864163 |
| 38 | 6303461 |
| 39 | 8146863 |
| 40 | 10499087 |
| 41 | 13493267 |
| 42 | 17293169 |
| 43 | 22111954 |