n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 2 |
3 | 5 |
4 | 13 |
5 | 34 |
6 | 88 |
7 | 226 |
8 | 578 |
9 | 1476 |
10 | 3768 |
11 | 9620 |
12 | 24564 |
13 | 62728 |
14 | 160192 |
15 | 409096 |
16 | 1044744 |
17 | 2668048 |
18 | 6813600 |
19 | 17400400 |
20 | 44436688 |
21 | 113481248 |
22 | 289805440 |
23 | 740097568 |
24 | 1890041888 |
25 | 4826739776 |
26 | 12326402432 |
[1,1,2,5,13,34,88,226,578,1476,3768,9620,24564, 62728,160192,409096,1044744,2668048,6813600, 17400400,44436688,113481248,289805440,740097568, 1890041888,4826739776,12326402432] |