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 | 1 |
2 | 6 |
3 | 21 |
4 | 68 |
5 | 198 |
6 | 510 |
7 | 1248 |
8 | 2904 |
9 | 6393 |
10 | 13604 |
11 | 28044 |
12 | 55956 |
13 | 108982 |
14 | 207552 |
15 | 386622 |
16 | 707216 |
17 | 1271970 |
18 | 2250582 |
19 | 3925780 |
20 | 6757272 |
21 | 11483232 |
22 | 19290824 |
23 | 32057352 |
24 | 52722744 |
25 | 85884503 |
26 | 138644292 |
27 | 221885805 |
28 | 352241792 |
29 | 554892894 |