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 | 1820 |
| 3 | 2590 |
| 4 | 4795 |
| 5 | 5565 |
| 6 | 8330 |
| 7 | 8470 |
| 8 | 10640 |
| 9 | 10710 |
| 10 | 15960 |
| 11 | 16730 |
| 12 | 19145 |
| 13 | 24535 |
| 14 | 26460 |
| 15 | 34580 |
| 16 | 37065 |
| 17 | 41510 |
| 18 | 42630 |
| 19 | 43505 |
| 20 | 48230 |
| 21 | 59675 |
| 22 | 69160 |
| 23 | 84910 |
| 24 | 90860 |
| 25 | 99540 |
| 26 | 103320 |
| 27 | 112560 |
| 28 | 114205 |
| 29 | 117600 |
| 30 | 127120 |
| 31 | 129220 |
| 32 | 131670 |
| 33 | 143290 |
| 34 | 152740 |
| 35 | 161105 |
| 36 | 164115 |
| 37 | 170030 |
| 38 | 175105 |
| 39 | 181195 |
| 40 | 185045 |