n | a(n) |
---|---|
1 | 1 |
2 | 2 |
3 | 4 |
4 | 10 |
5 | 32 |
6 | 122 |
7 | 544 |
8 | 2287 |
9 | 7688 |
10 | 25662 |
11 | 79456 |
12 | 256482 |
13 | 809784 |
14 | 2690604 |
15 | 8874432 |
16 | 30009480 |
17 | 98599568 |
18 | 332395712 |
19 | 1084222064 |
20 | 3637730112 |
21 | 11844968640 |
22 | 39726351272 |
23 | 129526799072 |
24 | 434837072968 |
25 | 1418856843552 |
26 | 4764806022144 |
[1,2,4,10,32,122,544,2287,7688,25662,79456,256482, 809784,2690604,8874432,30009480,98599568, 332395712,1084222064,3637730112,11844968640, 39726351272,129526799072,434837072968, 1418856843552,4764806022144] |