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 | 6 |
| 3 | 15 |
| 4 | 56 |
| 5 | 66 |
| 6 | 52 |
| 7 | 153 |
| 8 | 323 |
| 9 | 552 |
| 10 | 435 |
| 11 | 186 |
| 12 | 370 |
| 13 | 861 |
| 14 | 1505 |
| 15 | 2068 |
| 16 | 2597 |
| 17 | 1770 |
| 18 | 671 |
| 19 | 3551 |
| 20 | 2556 |
| 21 | 949 |
| 22 | 4898 |
| 23 | 6142 |
| 24 | 1068 |
| 25 | 2425 |
| 26 | 5151 |
| 27 | 8240 |
| 28 | 5778 |
| 29 | 3052 |
| 30 | 1017 |
| 31 | 12446 |
| 32 | 14934 |
| 33 | 9453 |
| 34 | 18626 |
| 35 | 11175 |
| 36 | 3926 |
| 37 | 4239 |
| 38 | 20375 |
| 39 | 24048 |
| 40 | 25777 |
| 41 | 16110 |
| 42 | 3439 |
| 43 | 18336 |