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 | 3 |
| 1 | 0 |
| 2 | 3 |
| 3 | 48 |
| 4 | 195 |
| 5 | 528 |
| 6 | 1155 |
| 7 | 2208 |
| 8 | 3843 |
| 9 | 6240 |
| 10 | 9603 |
| 11 | 14160 |
| 12 | 20163 |
| 13 | 27888 |
| 14 | 37635 |
| 15 | 49728 |
| 16 | 64515 |
| 17 | 82368 |
| 18 | 103683 |
| 19 | 128880 |
| 20 | 158403 |
| 21 | 192720 |
| 22 | 232323 |
| 23 | 277728 |
| 24 | 329475 |
| 25 | 388128 |
| 26 | 454275 |
| 27 | 528528 |
| 28 | 611523 |
| 29 | 703920 |
| 30 | 806403 |
| 31 | 919680 |
| 32 | 1044483 |
| 33 | 1181568 |
| 34 | 1331715 |
| 35 | 1495728 |
| 36 | 1674435 |