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 | 84 |
| 3 | 420 |
| 4 | 1604 |
| 5 | 3904 |
| 6 | 8444 |
| 7 | 15524 |
| 8 | 27356 |
| 9 | 43540 |
| 10 | 67720 |
| 11 | 99088 |
| 12 | 142912 |
| 13 | 196820 |
| 14 | 267580 |
| 15 | 352844 |
| 16 | 460432 |
| 17 | 586592 |
| 18 | 741852 |
| 19 | 920528 |
| 20 | 1136888 |
| 21 | 1382360 |
| 22 | 1672384 |
| 23 | 1998964 |
| 24 | 2380940 |
| 25 | 2804292 |
| 26 | 3291376 |
| 27 | 3830048 |
| 28 | 4444176 |
| 29 | 5116128 |
| 30 | 5876580 |
| 31 | 6703220 |
| 32 | 7631352 |
| 33 | 8634796 |
| 34 | 9751064 |
| 35 | 10956320 |