n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 1 |
3 | 1 |
4 | 2 |
5 | 9 |
6 | 44 |
7 | 233 |
8 | 1472 |
9 | 10610 |
10 | 82828 |
11 | 688511 |
12 | 6042580 |
13 | 55523953 |
14 | 530498426 |
15 | 5242548633 |
16 | 53361716373 |
17 | 557495995958 |
18 | 5961086843092 |
19 | 65077096683358 |
20 | 723862991146939 |
21 | 8189257485453446 |
22 | 94087399914391254 |
23 | 1096331953010025684 |
24 | 12941148147430923798 |
[1,1,1,1,2,9,44,233,1472,10610,82828,688511, 6042580,55523953,530498426,5242548633,53361716373, 557495995958,5961086843092,65077096683358, 723862991146939,8189257485453446, 94087399914391254,1096331953010025684, 12941148147430923798] |