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 | 10 |
| 4 | 40 |
| 5 | 121 |
| 6 | 364 |
| 7 | 1105 |
| 8 | 1540 |
| 9 | 3601 |
| 10 | 4795 |
| 11 | 5662 |
| 12 | 6601 |
| 13 | 9841 |
| 14 | 19414 |
| 15 | 35815 |
| 16 | 103201 |
| 17 | 131950 |
| 18 | 141224 |
| 19 | 210910 |
| 20 | 245272 |
| 21 | 378532 |
| 22 | 505876 |
| 23 | 613480 |
| 24 | 762565 |
| 25 | 986545 |
| 26 | 1010527 |
| 27 | 1147576 |
| 28 | 1252720 |
| 29 | 1732847 |
| 30 | 1750990 |
| 31 | 1766905 |
| 32 | 1798951 |
| 33 | 1863907 |
| 34 | 2337352 |
| 35 | 2674042 |
| 36 | 2773057 |
| 37 | 3080902 |