Reminder: The OEIS is hiring a new managing editor, and the application deadline is January 26.
n | a(n) |
---|---|
0 | 1 |
1 | 8 |
2 | 56 |
3 | 392 |
4 | 2716 |
5 | 18816 |
6 | 130368 |
7 | 903168 |
8 | 6257076 |
9 | 43348536 |
10 | 300314952 |
11 | 2080556856 |
12 | 14413923468 |
13 | 99858452400 |
14 | 691810982352 |
15 | 4792808455344 |
16 | 33204174947748 |
17 | 230035738812264 |
18 | 1593668302662744 |
19 | 11040800320974312 |
[1,8,56,392,2716,18816,130368,903168,6257076, 43348536,300314952,2080556856,14413923468, 99858452400,691810982352,4792808455344, 33204174947748,230035738812264,1593668302662744, 11040800320974312] |