n | a(n) |
---|---|
1 | 1 |
2 | 2 |
3 | 4 |
4 | 11 |
5 | 32 |
6 | 102 |
7 | 331 |
8 | 1101 |
9 | 3724 |
10 | 12782 |
11 | 44444 |
12 | 156334 |
13 | 555531 |
14 | 1991784 |
15 | 7197369 |
16 | 26186491 |
17 | 95847772 |
18 | 352670170 |
19 | 1303661995 |
20 | 4838822931 |
21 | 18025920971 |
22 | 67371021603 |
23 | 252538273442 |
24 | 949164364575 |
25 | 3576145084531 |
26 | 13503991775252 |
[1,2,4,11,32,102,331,1101,3724,12782,44444,156334, 555531,1991784,7197369,26186491,95847772, 352670170,1303661995,4838822931,18025920971, 67371021603,252538273442,949164364575, 3576145084531,13503991775252] |