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) |
---|---|
1 | 1 |
2 | 4 |
3 | 20 |
4 | 114 |
5 | 712 |
6 | 4760 |
7 | 33532 |
8 | 246146 |
9 | 1867556 |
10 | 14557064 |
11 | 116038672 |
12 | 942597638 |
13 | 7781117632 |
14 | 65131605840 |
15 | 551825148660 |
16 | 4725380142050 |
17 | 40848069782932 |
18 | 356094155836640 |
19 | 3127831256055624 |
20 | 27662285924478844 |
21 | 246164019830290392 |
22 | 2203001550262470312 |
23 | 19817596934324929372 |