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 | 1 |
2 | 1 |
3 | 3 |
4 | 9 |
5 | 41 |
6 | 200 |
7 | 1096 |
8 | 6440 |
9 | 40095 |
10 | 262298 |
11 | 1790395 |
12 | 12699751 |
13 | 93311273 |
14 | 708519038 |
15 | 5549751855 |
16 | 44780255681 |
17 | 371785828813 |
18 | 3173019719939 |
19 | 27813799706468 |
20 | 250222091088035 |
21 | 2308676057468240 |
22 | 21831456961064288 |
23 | 211449264040904335 |
24 | 2096345122112307560 |
25 | 21261235260097878478 |
26 | 220457711039776064974 |
27 | 2335722548273384751833 |