n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 2 |
3 | 3 |
4 | 8 |
5 | 15 |
6 | 44 |
7 | 101 |
8 | 338 |
9 | 849 |
10 | 2736 |
11 | 7555 |
12 | 25254 |
13 | 73321 |
14 | 243290 |
15 | 762927 |
16 | 2557674 |
17 | 8162769 |
18 | 27492592 |
19 | 92263125 |
20 | 312597658 |
21 | 1055555063 |
22 | 3634419897 |
23 | 12618793174 |
24 | 43555825107 |
25 | 151808509939 |
26 | 534943761678 |
27 | 1891289995128 |
28 | 6664938234011 |
29 | 23709504232076 |
30 | 85097685030264 |
31 | 304700197997170 |
32 | 1093145659514525 |
[1,1,2,3,8,15,44,101,338,849,2736,7555,25254, 73321,243290,762927,2557674,8162769,27492592, 92263125,312597658,1055555063,3634419897, 12618793174,43555825107,151808509939,534943761678, 1891289995128,6664938234011,23709504232076, 85097685030264,304700197997170,1093145659514525] |