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 | 4 |
| 2 | 29 |
| 3 | 93 |
| 4 | 214 |
| 5 | 410 |
| 6 | 699 |
| 7 | 1099 |
| 8 | 1628 |
| 9 | 2304 |
| 10 | 3145 |
| 11 | 4169 |
| 12 | 5394 |
| 13 | 6838 |
| 14 | 8519 |
| 15 | 10455 |
| 16 | 12664 |
| 17 | 15164 |
| 18 | 17973 |
| 19 | 21109 |
| 20 | 24590 |
| 21 | 28434 |
| 22 | 32659 |
| 23 | 37283 |
| 24 | 42324 |
| 25 | 47800 |
| 26 | 53729 |
| 27 | 60129 |
| 28 | 67018 |
| 29 | 74414 |
| 30 | 82335 |
| 31 | 90799 |
| 32 | 99824 |
| 33 | 109428 |
| 34 | 119629 |
| 35 | 130445 |
| 36 | 141894 |
| 37 | 153994 |
| 38 | 166763 |
| 39 | 180219 |