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 | 5 |
| 3 | 77 |
| 4 | 181 |
| 5 | 747 |
| 6 | 88 |
| 7 | 494 |
| 8 | 292 |
| 9 | 4664 |
| 10 | 9779 |
| 11 | 464 |
| 12 | 10901 |
| 13 | 4884 |
| 14 | 1991 |
| 15 | 474 |
| 16 | 999 |
| 17 | 838 |
| 18 | 64946 |
| 19 | 989 |
| 20 | 448844 |
| 21 | 48084 |
| 22 | 99199 |
| 23 | 484 |
| 24 | 73137 |
| 25 | 48184 |
| 26 | 94149 |
| 27 | 11911 |
| 28 | 390093 |
| 29 | 46264 |
| 30 | 567765 |
| 31 | 26262 |
| 32 | 28782 |
| 33 | 3541453 |
| 34 | 831138 |
| 35 | 1447441 |
| 36 | 493394 |
| 37 | 1309031 |
| 38 | 46664 |
| 39 | 8817188 |
| 40 | 17871 |