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 | 7 |
| 2 | 13 |
| 3 | 30 |
| 4 | 55 |
| 5 | 178 |
| 6 | 468 |
| 7 | 541 |
| 8 | 854 |
| 9 | 1454 |
| 10 | 2099 |
| 11 | 3744 |
| 12 | 7330 |
| 13 | 9091 |
| 14 | 10138 |
| 15 | 11917 |
| 16 | 14154 |
| 17 | 14350 |
| 18 | 19363 |
| 19 | 21555 |
| 20 | 23553 |
| 21 | 26615 |
| 22 | 36109 |
| 23 | 36533 |
| 24 | 37302 |
| 25 | 51588 |
| 26 | 52576 |
| 27 | 57183 |
| 28 | 58064 |
| 29 | 58144 |
| 30 | 63067 |
| 31 | 69927 |
| 32 | 70135 |
| 33 | 80174 |
| 34 | 81920 |
| 35 | 85923 |
| 36 | 89936 |
| 37 | 93749 |
| 38 | 99240 |
| 39 | 121884 |
| 40 | 124693 |
| 41 | 151411 |