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 | 2 |
2 | 10 |
3 | 70 |
4 | 630 |
5 | 6864 |
6 | 87087 |
7 | 1254110 |
8 | 20128680 |
9 | 355185012 |
10 | 6817706350 |
11 | 141150702840 |
12 | 3130281211300 |
13 | 73933388090280 |
14 | 1850739337395090 |
15 | 48898191857790150 |
16 | 1358695827817964130 |
17 | 39579468688851814800 |
18 | 1205409232277565987210 |
19 | 38286822212810480963940 |
20 | 1265497066771343361031440 |