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) |
|---|---|
| 0 | 2 |
| 1 | 20 |
| 2 | 38 |
| 3 | 362 |
| 4 | 380 |
| 5 | 722 |
| 6 | 6860 |
| 7 | 6878 |
| 8 | 7220 |
| 9 | 13718 |
| 10 | 130322 |
| 11 | 130340 |
| 12 | 130682 |
| 13 | 137180 |
| 14 | 260642 |
| 15 | 2476100 |
| 16 | 2476118 |
| 17 | 2476460 |
| 18 | 2482958 |
| 19 | 2606420 |
| 20 | 4952198 |
| 21 | 47045882 |
| 22 | 47045900 |
| 23 | 47046242 |
| 24 | 47052740 |
| 25 | 47176202 |
| 26 | 49521980 |
| 27 | 94091762 |
| 28 | 893871740 |
| 29 | 893871758 |
| 30 | 893872100 |
| 31 | 893878598 |
| 32 | 894002060 |
| 33 | 896347838 |
| 34 | 940917620 |
| 35 | 1787743478 |