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 | 3 |
3 | 19 |
4 | 97 |
5 | 681 |
6 | 5971 |
7 | 50443 |
8 | 512289 |
9 | 5821777 |
10 | 67968451 |
11 | 880345731 |
12 | 12230425153 |
13 | 177123301369 |
14 | 2759869352787 |
15 | 45321758937211 |
16 | 776008738668481 |
17 | 14020831026652833 |
18 | 264488668445049859 |
19 | 5187662544182915827 |
20 | 106241960755765408161 |
21 | 2257485400533886011721 |