Reminder: The OEIS is hiring a new managing editor, and the application deadline is January 26.
n | a(n) |
---|---|
0 | 1 |
1 | -1 |
2 | 1 |
3 | -1 |
4 | 2 |
5 | 0 |
6 | 4 |
7 | 3 |
8 | 11 |
9 | 17 |
10 | 40 |
11 | 74 |
12 | 154 |
13 | 301 |
14 | 609 |
15 | 1211 |
16 | 2430 |
17 | 4852 |
18 | 9712 |
19 | 19415 |
20 | 38839 |
21 | 77669 |
22 | 155348 |
23 | 310686 |
24 | 621382 |
25 | 1242753 |
26 | 2485517 |
27 | 4971023 |
28 | 9942058 |
29 | 19884104 |
30 | 39768220 |
31 | 79536427 |
32 | 159072867 |
33 | 318145721 |
34 | 636291456 |
35 | 1272582898 |
36 | 2545165810 |
[1,-1,1,-1,2,0,4,3,11,17,40,74,154,301,609,1211, 2430,4852,9712,19415,38839,77669,155348,310686, 621382,1242753,2485517,4971023,9942058,19884104, 39768220,79536427,159072867,318145721,636291456, 1272582898,2545165810] |