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 | 4 |
| 3 | 26 |
| 4 | 92 |
| 5 | 240 |
| 6 | 520 |
| 7 | 994 |
| 8 | 1736 |
| 9 | 2832 |
| 10 | 4380 |
| 11 | 6490 |
| 12 | 9284 |
| 13 | 12896 |
| 14 | 17472 |
| 15 | 23170 |
| 16 | 30160 |
| 17 | 38624 |
| 18 | 48756 |
| 19 | 60762 |
| 20 | 74860 |
| 21 | 91280 |
| 22 | 110264 |
| 23 | 132066 |
| 24 | 156952 |
| 25 | 185200 |
| 26 | 217100 |
| 27 | 252954 |
| 28 | 293076 |
| 29 | 337792 |
| 30 | 387440 |
| 31 | 442370 |
| 32 | 502944 |
| 33 | 569536 |
| 34 | 642532 |