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 | 16 |
4 | 69 |
5 | 309 |
6 | 1385 |
7 | 6212 |
8 | 27866 |
9 | 125008 |
10 | 560793 |
11 | 2515754 |
12 | 11285842 |
13 | 50629052 |
14 | 227125366 |
15 | 1018899829 |
16 | 4570853893 |
17 | 20505161277 |
18 | 91987547377 |
19 | 412662390616 |
20 | 1851231536059 |
21 | 8304750512850 |
22 | 37255675336820 |
23 | 167131492108634 |
24 | 749763234780300 |
25 | 3363488838254558 |