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 | 0 |
1 | 0 |
2 | 0 |
3 | 6 |
4 | 72 |
5 | 540 |
6 | 3240 |
7 | 17010 |
8 | 81648 |
9 | 367416 |
10 | 1574640 |
11 | 6495390 |
12 | 25981560 |
13 | 101328084 |
14 | 386889048 |
15 | 1450833930 |
16 | 5356925280 |
17 | 19514513520 |
18 | 70252248672 |
19 | 250273635894 |
20 | 883318714920 |
21 | 3091615502220 |
22 | 10739295955080 |
23 | 37050571045026 |
24 | 127030529297232 |
25 | 433058622604200 |
26 | 1468633589701200 |