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 | 0 |
| 1 | 1 |
| 2 | 7 |
| 3 | 25 |
| 4 | 59 |
| 5 | 98 |
| 6 | 104 |
| 7 | 7 |
| 8 | -293 |
| 9 | -926 |
| 10 | -2064 |
| 11 | -3945 |
| 12 | -6897 |
| 13 | -11349 |
| 14 | -17829 |
| 15 | -26964 |
| 16 | -39498 |
| 17 | -56328 |
| 18 | -78540 |
| 19 | -107426 |
| 20 | -144482 |
| 21 | -191408 |
| 22 | -250132 |
| 23 | -322858 |
| 24 | -412114 |
| 25 | -520775 |
| 26 | -652061 |
| 27 | -809537 |
| 28 | -997143 |
| 29 | -1219254 |
| 30 | -1480740 |
| 31 | -1786995 |
| 32 | -2143935 |
| 33 | -2557998 |
| 34 | -3036180 |
| 35 | -3586107 |
| 36 | -4216107 |