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) |
---|---|
10 | 1 |
11 | 20 |
12 | 328 |
13 | 4770 |
14 | 66878 |
15 | 881044 |
16 | 11345200 |
17 | 143582500 |
18 | 1810580532 |
19 | 22845779214 |
20 | 289758406436 |
21 | 3699018969840 |
22 | 47578794728944 |
23 | 616911019060838 |
24 | 8069080071958188 |
25 | 106539250822676328 |
26 | 1420990036454689148 |
27 | 19157908196042318138 |
28 | 261230865243883014080 |