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 | 275 |
| 2 | 3368 |
| 3 | 19932 |
| 4 | 177858 |
| 5 | 532344 |
| 6 | 1791150 |
| 7 | 3895956 |
| 8 | 8912442 |
| 9 | 26947492 |
| 10 | 49140300 |
| 11 | 97973108 |
| 12 | 185200158 |
| 13 | 262864644 |
| 14 | 376353450 |
| 15 | 647540500 |
| 16 | 1133119792 |
| 17 | 1559520600 |
| 18 | 2194721408 |
| 19 | 3154354458 |
| 20 | 3877300944 |
| 21 | 5150127992 |
| 22 | 7016097042 |
| 23 | 9523100092 |