n | a(n) |
---|---|
0 | 1 |
1 | 3 |
2 | 8 |
3 | 22 |
4 | 63 |
5 | 185 |
6 | 550 |
7 | 1644 |
8 | 4925 |
9 | 14767 |
10 | 44292 |
11 | 132866 |
12 | 398587 |
13 | 1195749 |
14 | 3587234 |
15 | 10761688 |
16 | 32285049 |
17 | 96855131 |
18 | 290565376 |
19 | 871696110 |
20 | 2615088311 |
21 | 7845264913 |
22 | 23535794718 |
23 | 70607384132 |
24 | 211822152373 |
25 | 635466457095 |
26 | 1906399371260 |
[1,3,8,22,63,185,550,1644,4925,14767,44292,132866, 398587,1195749,3587234,10761688,32285049,96855131, 290565376,871696110,2615088311,7845264913, 23535794718,70607384132,211822152373,635466457095, 1906399371260] |