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 | 1 |
2 | 0 |
3 | -8 |
4 | -38 |
5 | 106 |
6 | 3676 |
7 | 24508 |
8 | -296036 |
9 | -9149156 |
10 | -56500064 |
11 | 2211573376 |
12 | 64958496472 |
13 | 184823374360 |
14 | -35372361487280 |
15 | -971135892546224 |
16 | 4364710018963216 |
17 | 1034808592156017424 |
18 | 25290798052846014208 |
19 | -474242641154857953152 |
20 | -49625273567646267051104 |