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 | 4 |
| 2 | 9 |
| 3 | 16 |
| 4 | 35 |
| 5 | 57 |
| 6 | 93 |
| 7 | 222 |
| 8 | 427 |
| 9 | 819 |
| 10 | 1257 |
| 11 | 1270 |
| 12 | 1276 |
| 13 | 2651 |
| 14 | 5806 |
| 15 | 13673 |
| 16 | 19366 |
| 17 | 19372 |
| 18 | 27723 |
| 19 | 108857 |
| 20 | 113036 |
| 21 | 113038 |
| 22 | 115748 |
| 23 | 524856 |
| 24 | 560074 |
| 25 | 1006146 |
| 26 | 1219767 |
| 27 | 1652728 |
| 28 | 2704892 |
| 29 | 2704894 |
| 30 | 8756936 |
| 31 | 21401949 |
| 32 | 21401979 |
| 33 | 40268383 |
| 34 | 40268435 |
| 35 | 40268437 |
| 36 | 167540089 |
| 37 | 167540101 |