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 | 70 |
5 | 256 |
6 | 1088 |
7 | 4096 |
8 | 16644 |
9 | 65656 |
10 | 263168 |
11 | 1048576 |
12 | 4199520 |
13 | 16777216 |
14 | 67125248 |
15 | 268439552 |
16 | 1073809761 |
17 | 4294967296 |
18 | 17180148192 |
19 | 68719476736 |
20 | 274878973440 |
21 | 1099511693312 |
22 | 4398050705408 |
23 | 17592186044416 |
24 | 70368761292864 |
25 | 281474976743296 |
26 | 1125899973951488 |
27 | 4503599628419632 |