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 | 20 |
2 | 280 |
3 | 3521 |
4 | 42945 |
5 | 521913 |
6 | 6379233 |
7 | 78640740 |
8 | 978172724 |
9 | 12270946072 |
10 | 155139813381 |
11 | 1975245161155 |
12 | 25308115539770 |
13 | 326106155857041 |
14 | 4223481710794292 |
15 | 54951230993010196 |
16 | 717942326681863941 |
17 | 9415448193554916520 |
18 | 123904268078599269723 |
19 | 1635676807214777434793 |