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 | -4 |
3 | 44 |
4 | 316 |
5 | -22695 |
6 | -769536 |
7 | 156937802 |
8 | 30299780744 |
9 | -18827264809946 |
10 | -17187430890378027 |
11 | 37887447329364481223 |
12 | 148620374587239353630657 |
13 | -1249806569497062808351943525 |
14 | -20168103472406206381500342351035 |
15 | 666759209181977763318463790517458280 |