n | a(n) |
---|---|
1 | 0 |
2 | 1 |
3 | 1 |
4 | 2 |
5 | 3 |
6 | 7 |
7 | 14 |
8 | 32 |
9 | 72 |
10 | 171 |
11 | 405 |
12 | 989 |
13 | 2426 |
14 | 6045 |
15 | 15167 |
16 | 38422 |
17 | 97925 |
18 | 251275 |
19 | 648061 |
20 | 1679869 |
21 | 4372872 |
22 | 11428365 |
23 | 29972078 |
24 | 78859809 |
25 | 208094977 |
26 | 550603722 |
27 | 1460457242 |
28 | 3882682803 |
29 | 10344102122 |
30 | 27612603765 |
31 | 73844151259 |
32 | 197818389539 |
[0,1,1,2,3,7,14,32,72,171,405,989,2426,6045,15167, 38422,97925,251275,648061,1679869,4372872, 11428365,29972078,78859809,208094977,550603722, 1460457242,3882682803,10344102122,27612603765, 73844151259,197818389539] |