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 | -10 |
| 2 | -27 |
| 3 | -55 |
| 4 | -82 |
| 5 | -83 |
| 6 | -3 |
| 7 | 238 |
| 8 | 721 |
| 9 | 1445 |
| 10 | 2166 |
| 11 | 2153 |
| 12 | -55 |
| 13 | -6650 |
| 14 | -19827 |
| 15 | -39599 |
| 16 | -59426 |
| 17 | -59659 |
| 18 | -987 |
| 19 | 175550 |
| 20 | 528857 |
| 21 | 1058701 |
| 22 | 1587558 |
| 23 | 1583377 |
| 24 | -17711 |
| 25 | -4811626 |
| 26 | -14395275 |
| 27 | -28772839 |
| 28 | -43168114 |
| 29 | -43243139 |
| 30 | -317811 |
| 31 | 128625934 |
| 32 | 386588449 |
| 33 | 773494709 |
| 34 | 1160083158 |
| 35 | 1158736889 |