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 | 19 |
4 | 99 |
5 | 529 |
6 | 2853 |
7 | 15566 |
8 | 85879 |
9 | 477716 |
10 | 2674070 |
11 | 15047671 |
12 | 85063429 |
13 | 482733230 |
14 | 2748703604 |
15 | 15697194139 |
16 | 89875431754 |
17 | 515774659357 |
18 | 2966016776556 |
19 | 17088046518051 |
20 | 98614323921685 |
21 | 569967829487533 |
22 | 3298876334401503 |
23 | 19117753534875276 |
24 | 110922240116613681 |
25 | 644276475406441599 |