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) |
---|---|
1 | 2 |
2 | 20 |
3 | 180 |
4 | 1722 |
5 | 15484 |
6 | 129914 |
7 | 1079792 |
8 | 8845592 |
9 | 71540206 |
10 | 572555634 |
11 | 4544198480 |
12 | 35814522446 |
13 | 280584310722 |
14 | 2186897305592 |
15 | 16968580781888 |
16 | 131145107324352 |
17 | 1010053181919720 |
18 | 7755079215544062 |
19 | 59376833021426668 |