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) |
---|---|
11 | 1 |
12 | 4095 |
13 | 11180715 |
14 | 26167664835 |
15 | 57162391576563 |
16 | 120843139740969555 |
17 | 251413193158549532435 |
18 | 518946525150879134496915 |
19 | 1066968301301093995246996371 |
20 | 2189425218271613769209626653075 |
21 | 4488323837657412597958687922896275 |