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 | 9 |
| 3 | 29 |
| 4 | 74 |
| 5 | 136 |
| 6 | 254 |
| 7 | 382 |
| 8 | 596 |
| 9 | 833 |
| 10 | 1173 |
| 11 | 1505 |
| 12 | 2057 |
| 13 | 2527 |
| 14 | 3209 |
| 15 | 3921 |
| 16 | 4856 |
| 17 | 5674 |
| 18 | 6928 |
| 19 | 7956 |
| 20 | 9474 |
| 21 | 10882 |
| 22 | 12608 |
| 23 | 14128 |
| 24 | 16506 |
| 25 | 18369 |
| 26 | 20797 |
| 27 | 23141 |
| 28 | 26129 |
| 29 | 28567 |
| 30 | 32259 |
| 31 | 35051 |
| 32 | 38963 |
| 33 | 42483 |
| 34 | 46675 |
| 35 | 50435 |
| 36 | 55904 |
| 37 | 59902 |
| 38 | 65156 |
| 39 | 70092 |
| 40 | 76460 |