n | a(n) |
---|---|
0 | 0 |
1 | 1 |
2 | 5 |
3 | 15 |
4 | 43 |
5 | 103 |
6 | 263 |
7 | 591 |
8 | 1391 |
9 | 3103 |
10 | 7007 |
11 | 15039 |
12 | 33983 |
13 | 72063 |
14 | 156543 |
15 | 334591 |
16 | 722687 |
17 | 1510911 |
18 | 3255807 |
19 | 6773759 |
20 | 14433279 |
21 | 30193663 |
22 | 63535103 |
23 | 131264511 |
24 | 278589439 |
25 | 575004671 |
26 | 1200349183 |
27 | 2484846591 |
28 | 5189910527 |
29 | 10648256511 |
30 | 22287450111 |
31 | 45648642047 |
[0,1,5,15,43,103,263,591,1391,3103,7007,15039, 33983,72063,156543,334591,722687,1510911,3255807, 6773759,14433279,30193663,63535103,131264511, 278589439,575004671,1200349183,2484846591, 5189910527,10648256511,22287450111,45648642047] |