n | a(n) |
---|---|
0 | 1 |
1 | 0 |
2 | 1 |
3 | 2 |
4 | 2 |
5 | 14 |
6 | 21 |
7 | 76 |
8 | 252 |
9 | 566 |
10 | 2282 |
11 | 6248 |
12 | 19958 |
13 | 69356 |
14 | 205129 |
15 | 720868 |
16 | 2340178 |
17 | 7692570 |
18 | 26681224 |
19 | 87814024 |
20 | 302838250 |
21 | 1035805496 |
22 | 3526054994 |
23 | 12286338876 |
24 | 42255768876 |
25 | 147090631152 |
26 | 513835481206 |
27 | 1790785075144 |
28 | 6298459417432 |
29 | 22120204885156 |
30 | 77965202090697 |
31 | 275780508039312 |
32 | 975587671958542 |
[1,0,1,2,2,14,21,76,252,566,2282,6248,19958,69356, 205129,720868,2340178,7692570,26681224,87814024, 302838250,1035805496,3526054994,12286338876, 42255768876,147090631152,513835481206, 1790785075144,6298459417432,22120204885156, 77965202090697,275780508039312,975587671958542] |