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 | 3 |
| 2 | 126 |
| 3 | 186 |
| 4 | 399 |
| 5 | 924 |
| 6 | 1350 |
| 7 | 1386 |
| 8 | 1530 |
| 9 | 1806 |
| 10 | 2106 |
| 11 | 2646 |
| 12 | 2652 |
| 13 | 2814 |
| 14 | 2916 |
| 15 | 3066 |
| 16 | 3150 |
| 17 | 3654 |
| 18 | 3870 |
| 19 | 4662 |
| 20 | 4914 |
| 21 | 6162 |
| 22 | 6426 |
| 23 | 6846 |
| 24 | 6882 |
| 25 | 6930 |
| 26 | 7098 |
| 27 | 7566 |
| 28 | 7620 |
| 29 | 8190 |
| 30 | 8910 |
| 31 | 9270 |
| 32 | 10842 |
| 33 | 11076 |
| 34 | 12222 |
| 35 | 12870 |
| 36 | 14586 |
| 37 | 14910 |
| 38 | 15210 |
| 39 | 15246 |
| 40 | 15930 |
| 41 | 16506 |
| 42 | 17010 |