n | a(n) |
---|---|
0 | 1 |
1 | 2 |
2 | 5 |
3 | 13 |
4 | 35 |
5 | 98 |
6 | 287 |
7 | 883 |
8 | 2858 |
9 | 9708 |
10 | 34411 |
11 | 126337 |
12 | 476767 |
13 | 1836851 |
14 | 7185420 |
15 | 28420613 |
16 | 113317776 |
17 | 454468077 |
18 | 1830556209 |
19 | 7397188271 |
20 | 29965426959 |
21 | 121620119888 |
22 | 494365414071 |
23 | 2011965781648 |
24 | 8196475452837 |
25 | 33419092543257 |
26 | 136353532725534 |
27 | 556669705441210 |
[1,2,5,13,35,98,287,883,2858,9708,34411,126337, 476767,1836851,7185420,28420613,113317776, 454468077,1830556209,7397188271,29965426959, 121620119888,494365414071,2011965781648, 8196475452837,33419092543257,136353532725534, 556669705441210] |