n | a(n) |
---|---|
1 | 1 |
2 | 2 |
3 | 3 |
4 | 6 |
5 | 14 |
6 | 31 |
7 | 78 |
8 | 235 |
9 | 665 |
10 | 1926 |
11 | 5886 |
12 | 21832 |
13 | 75333 |
14 | 266377 |
15 | 933842 |
16 | 3422282 |
17 | 14954936 |
18 | 61055379 |
19 | 254751651 |
20 | 1054728818 |
21 | 4378056288 |
22 | 18699691530 |
23 | 94021272519 |
24 | 443332334411 |
25 | 2132051480643 |
26 | 10181045388314 |
27 | 48729093879838 |
[1,2,3,6,14,31,78,235,665,1926,5886,21832,75333, 266377,933842,3422282,14954936,61055379,254751651, 1054728818,4378056288,18699691530,94021272519, 443332334411,2132051480643,10181045388314, 48729093879838] |