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 | 10 |
| 2 | 44 |
| 3 | 184 |
| 4 | 218 |
| 5 | 400 |
| 6 | 752 |
| 7 | 3040 |
| 8 | 3392 |
| 9 | 3748 |
| 10 | 12224 |
| 11 | 27904 |
| 12 | 49024 |
| 13 | 57856 |
| 14 | 61064 |
| 15 | 64594 |
| 16 | 196352 |
| 17 | 226304 |
| 18 | 253808 |
| 19 | 785920 |
| 20 | 954368 |
| 21 | 981520 |
| 22 | 1822720 |
| 23 | 3144704 |
| 24 | 12580864 |
| 25 | 14630912 |
| 26 | 15499264 |
| 27 | 15722528 |
| 28 | 16450240 |
| 29 | 16700300 |
| 30 | 31522816 |
| 31 | 50327552 |