Reminder: The OEIS is hiring a new managing editor, and the application deadline is January 26.
n | a(n) |
---|---|
0 | 1 |
1 | 0 |
2 | 0 |
3 | 2 |
4 | 2 |
5 | 2 |
6 | 17 |
7 | 36 |
8 | 59 |
9 | 240 |
10 | 669 |
11 | 1452 |
12 | 4538 |
13 | 13574 |
14 | 34505 |
15 | 99816 |
16 | 299112 |
17 | 825768 |
18 | 2364715 |
19 | 7023466 |
20 | 20182611 |
21 | 58327250 |
22 | 172491553 |
23 | 505163444 |
24 | 1476966513 |
25 | 4370772096 |
26 | 12924382671 |
27 | 38149522136 |
28 | 113266357609 |
29 | 336894290910 |
30 | 1001473479313 |
31 | 2985508193930 |
[1,0,0,2,2,2,17,36,59,240,669,1452,4538,13574, 34505,99816,299112,825768,2364715,7023466, 20182611,58327250,172491553,505163444,1476966513, 4370772096,12924382671,38149522136,113266357609, 336894290910,1001473479313,2985508193930] |