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 | 3 |
2 | 13 |
3 | 69 |
4 | 425 |
5 | 2953 |
6 | 22701 |
7 | 190445 |
8 | 1725777 |
9 | 16757649 |
10 | 173244629 |
11 | 1896821941 |
12 | 21897166137 |
13 | 265525063001 |
14 | 3371067773565 |
15 | 44683137692157 |
16 | 616811052816545 |
17 | 8847765111928609 |
18 | 131622808197394341 |
19 | 2027097866771329349 |
20 | 32267707989783480201 |
21 | 530125689222591861993 |