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 | 2 |
2 | 10 |
3 | 26 |
4 | 90 |
5 | 262 |
6 | 994 |
7 | 3446 |
8 | 13050 |
9 | 48698 |
10 | 185310 |
11 | 705454 |
12 | 2706354 |
13 | 10400626 |
14 | 40123534 |
15 | 155118406 |
16 | 601106490 |
17 | 2333606254 |
18 | 9075235522 |
19 | 35345263838 |
20 | 137846899790 |
21 | 538257884918 |
22 | 2104100374694 |
23 | 8233430727646 |
24 | 32247609134418 |
25 | 126410606439062 |
26 | 495918553749434 |
27 | 1946939425794206 |
28 | 7648690681007998 |
29 | 30067266499541098 |
30 | 118264581875657214 |
31 | 465428353255261150 |