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 | 1 |
4 | 1 |
5 | 121 |
6 | 721 |
7 | 2521 |
8 | 6721 |
9 | 15121 |
10 | 143641 |
11 | 1302841 |
12 | 7579441 |
13 | 32586841 |
14 | 113753641 |
15 | 509068561 |
16 | 3599319361 |
17 | 25076993761 |
18 | 142188273361 |
19 | 662296228561 |
20 | 2933770097881 |
21 | 15581813723281 |
22 | 99333170493481 |
23 | 623696622059281 |
24 | 3466773281312881 |
25 | 17406784944114721 |