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 | 0 |
3 | 1 |
4 | -3 |
5 | 7 |
6 | -24 |
7 | 130 |
8 | -748 |
9 | 4446 |
10 | -30694 |
11 | 245586 |
12 | -2131621 |
13 | 19850237 |
14 | -201363613 |
15 | 2214638141 |
16 | -26037523804 |
17 | 325653856386 |
18 | -4331545709166 |
19 | 61069238694738 |
20 | -908488414975896 |
21 | 14220161323121232 |
22 | -233746798117055047 |
23 | 4025924893291859919 |
24 | -72487584601341680720 |