Reminder: The OEIS is hiring a new managing editor, and the application deadline is January 26.
n | a(n) |
---|---|
0 | 0 |
1 | 0 |
2 | 0 |
3 | 2 |
4 | 17 |
5 | 102 |
6 | 518 |
7 | 2442 |
8 | 11010 |
9 | 48444 |
10 | 209979 |
11 | 902132 |
12 | 3854708 |
13 | 16416204 |
14 | 69769244 |
15 | 296148174 |
16 | 1256077725 |
17 | 5324954250 |
18 | 22567665834 |
19 | 95626443110 |
20 | 405154147310 |
21 | 1716454353240 |
22 | 7271524823255 |
23 | 30804002164872 |
24 | 130491325800072 |
25 | 552779233930872 |
26 | 2341634254967448 |
27 | 9919384305913082 |
28 | 42019349641680905 |
[0,0,0,2,17,102,518,2442,11010,48444,209979, 902132,3854708,16416204,69769244,296148174, 1256077725,5324954250,22567665834,95626443110, 405154147310,1716454353240,7271524823255, 30804002164872,130491325800072,552779233930872, 2341634254967448,9919384305913082, 42019349641680905] |