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 | 1 |
| 1 | 2 |
| 2 | 4 |
| 3 | 8 |
| 4 | 14 |
| 5 | 24 |
| 6 | 40 |
| 7 | 62 |
| 8 | 94 |
| 9 | 140 |
| 10 | 202 |
| 11 | 286 |
| 12 | 398 |
| 13 | 542 |
| 14 | 728 |
| 15 | 966 |
| 16 | 1262 |
| 17 | 1630 |
| 18 | 2084 |
| 19 | 2634 |
| 20 | 3300 |
| 21 | 4100 |
| 22 | 5048 |
| 23 | 6170 |
| 24 | 7490 |
| 25 | 9028 |
| 26 | 10816 |
| 27 | 12884 |
| 28 | 15258 |
| 29 | 17978 |
| 30 | 21082 |
| 31 | 24602 |
| 32 | 28586 |
| 33 | 33080 |
| 34 | 38124 |
| 35 | 43776 |
| 36 | 50090 |
| 37 | 57114 |
| 38 | 64916 |
| 39 | 73560 |
| 40 | 83104 |
| 41 | 93626 |