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 | 0 |
| 2 | 32 |
| 3 | 900 |
| 4 | 7380 |
| 5 | 34676 |
| 6 | 118044 |
| 7 | 325872 |
| 8 | 775856 |
| 9 | 1653888 |
| 10 | 3237984 |
| 11 | 5923028 |
| 12 | 10249596 |
| 13 | 16938588 |
| 14 | 26924036 |
| 15 | 41393424 |
| 16 | 61830480 |
| 17 | 90059672 |
| 18 | 128293728 |
| 19 | 179185500 |
| 20 | 245889068 |
| 21 | 332107188 |
| 22 | 442162836 |
| 23 | 581060024 |
| 24 | 754545360 |
| 25 | 969196896 |
| 26 | 1232477192 |
| 27 | 1552824900 |