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 | 7 |
2 | 21 |
3 | 107 |
4 | 273 |
5 | 1911 |
6 | 5189 |
7 | 28123 |
8 | 65793 |
9 | 460551 |
10 | 1381653 |
11 | 7039851 |
12 | 17829905 |
13 | 124809335 |
14 | 340873541 |
15 | 1840690907 |
16 | 4295032833 |
17 | 30065229831 |
18 | 90195689493 |
19 | 459568513131 |
20 | 1172543963409 |
21 | 8207807743863 |
22 | 22286925370437 |