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 | 0 |
| 1 | 6 |
| 2 | 76 |
| 3 | 210 |
| 4 | 408 |
| 5 | 670 |
| 6 | 996 |
| 7 | 1386 |
| 8 | 1840 |
| 9 | 2358 |
| 10 | 2940 |
| 11 | 3586 |
| 12 | 4296 |
| 13 | 5070 |
| 14 | 5908 |
| 15 | 6810 |
| 16 | 7776 |
| 17 | 8806 |
| 18 | 9900 |
| 19 | 11058 |
| 20 | 12280 |
| 21 | 13566 |
| 22 | 14916 |
| 23 | 16330 |
| 24 | 17808 |
| 25 | 19350 |
| 26 | 20956 |
| 27 | 22626 |
| 28 | 24360 |
| 29 | 26158 |
| 30 | 28020 |
| 31 | 29946 |
| 32 | 31936 |
| 33 | 33990 |
| 34 | 36108 |
| 35 | 38290 |
| 36 | 40536 |
| 37 | 42846 |
| 38 | 45220 |
| 39 | 47658 |
| 40 | 50160 |