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 | 1 |
| 1 | 8 |
| 2 | 35 |
| 3 | 112 |
| 4 | 294 |
| 5 | 673 |
| 6 | 1393 |
| 7 | 2668 |
| 8 | 4803 |
| 9 | 8218 |
| 10 | 13476 |
| 11 | 21315 |
| 12 | 32684 |
| 13 | 48782 |
| 14 | 71101 |
| 15 | 101473 |
| 16 | 142121 |
| 17 | 195714 |
| 18 | 265426 |
| 19 | 354999 |
| 20 | 468809 |
| 21 | 611936 |
| 22 | 790238 |
| 23 | 1010430 |
| 24 | 1280166 |
| 25 | 1608124 |
| 26 | 2004094 |
| 27 | 2479071 |
| 28 | 3045353 |
| 29 | 3716642 |
| 30 | 4508148 |
| 31 | 5436696 |
| 32 | 6520838 |
| 33 | 7780968 |
| 34 | 9239441 |
| 35 | 10920695 |
| 36 | 12851378 |
| 37 | 15060479 |
| 38 | 17579463 |
| 39 | 20442410 |
| 40 | 23686158 |
| 41 | 27350450 |
| 42 | 31478083 |