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 | 1 |
2 | 5 |
3 | 45 |
4 | 453 |
5 | 5072 |
6 | 59964 |
7 | 738449 |
8 | 9365617 |
9 | 121511799 |
10 | 1605113475 |
11 | 21514501261 |
12 | 291880434822 |
13 | 4000334186684 |
14 | 55304105835751 |
15 | 770323876417969 |
16 | 10800108248187952 |
17 | 152293211204657100 |
18 | 2158477865404685913 |
19 | 30732066480408276249 |
20 | 439351185869943970405 |