Reminder: The OEIS is hiring a new managing editor, and the application deadline is January 26.
n | a(n) |
---|---|
0 | 1 |
1 | -1 |
2 | 4 |
3 | -1 |
4 | 11 |
5 | 7 |
6 | 35 |
7 | 52 |
8 | 138 |
9 | 267 |
10 | 606 |
11 | 1266 |
12 | 2758 |
13 | 5882 |
14 | 12679 |
15 | 27185 |
16 | 58442 |
17 | 125473 |
18 | 269561 |
19 | 578929 |
20 | 1243545 |
21 | 2670942 |
22 | 5736984 |
23 | 12322389 |
24 | 26467324 |
25 | 56849060 |
26 | 122106124 |
27 | 262271540 |
28 | 563332877 |
29 | 1209982051 |
30 | 2598919376 |
31 | 5582216323 |
32 | 11990037159 |
33 | 25753389147 |
[1,-1,4,-1,11,7,35,52,138,267,606,1266,2758,5882, 12679,27185,58442,125473,269561,578929,1243545, 2670942,5736984,12322389,26467324,56849060, 122106124,262271540,563332877,1209982051, 2598919376,5582216323,11990037159,25753389147] |