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 | 9 |
| 4 | 27 |
| 5 | 72 |
| 6 | 111 |
| 7 | 129 |
| 8 | 148 |
| 9 | 161 |
| 10 | 450 |
| 11 | 762 |
| 12 | 1233 |
| 13 | 1260 |
| 14 | 2052 |
| 15 | 9153 |
| 16 | 15840 |
| 17 | 16067 |
| 18 | 16302 |
| 19 | 16317 |
| 20 | 16332 |
| 21 | 16435 |
| 22 | 74670 |
| 23 | 74946 |
| 24 | 125046 |
| 25 | 208566 |
| 26 | 347670 |
| 27 | 347685 |
| 28 | 583263 |
| 29 | 1609667 |
| 30 | 1610942 |
| 31 | 1616476 |
| 32 | 1616532 |
| 33 | 1616958 |
| 34 | 2683143 |
| 35 | 2700261 |
| 36 | 4480092 |
| 37 | 7469682 |
| 38 | 7470432 |
| 39 | 7492497 |