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 | 4 |
2 | 16 |
3 | 64 |
4 | 252 |
5 | 996 |
6 | 3936 |
7 | 15552 |
8 | 61452 |
9 | 242820 |
10 | 959472 |
11 | 3791232 |
12 | 14980572 |
13 | 59193828 |
14 | 233896896 |
15 | 924213888 |
16 | 3651913836 |
17 | 14430073860 |
18 | 57018604752 |
19 | 225301777344 |
20 | 890251367868 |
21 | 3517715249892 |
22 | 13899805185312 |
23 | 54923315409216 |
24 | 217022507533260 |
25 | 857536884383364 |
26 | 3388448121977520 |
27 | 13389022541682432 |
28 | 52905022644129948 |
29 | 209047479923369700 |