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 | 4 |
| 3 | 6 |
| 4 | 20 |
| 5 | 10 |
| 6 | 102 |
| 7 | 14 |
| 8 | 352 |
| 9 | 270 |
| 10 | 1370 |
| 11 | 22 |
| 12 | 8340 |
| 13 | 26 |
| 14 | 24234 |
| 15 | 16410 |
| 16 | 110512 |
| 17 | 34 |
| 18 | 551754 |
| 19 | 38 |
| 20 | 1944880 |
| 21 | 817992 |
| 22 | 7760258 |
| 23 | 46 |
| 24 | 39190392 |
| 25 | 265700 |
| 26 | 135208502 |
| 27 | 42190254 |
| 28 | 570003392 |
| 29 | 58 |
| 30 | 2631501240 |
| 31 | 62 |
| 32 | 9701577536 |
| 33 | 2128920354 |
| 34 | 39671306930 |
| 35 | 48694870 |
| 36 | 179231802444 |
| 37 | 74 |