n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 2 |
3 | 3 |
4 | 6 |
5 | 10 |
6 | 20 |
7 | 35 |
8 | 69 |
9 | 125 |
10 | 242 |
11 | 451 |
12 | 858 |
13 | 1638 |
14 | 3068 |
15 | 5980 |
16 | 11050 |
17 | 21930 |
18 | 40052 |
19 | 80750 |
20 | 145996 |
21 | 298452 |
22 | 534888 |
23 | 1106921 |
24 | 1968685 |
25 | 4118725 |
26 | 7276050 |
27 | 15371475 |
28 | 26993490 |
29 | 57528750 |
30 | 100490220 |
31 | 215867880 |
32 | 375287550 |
33 | 811985790 |
34 | 1405622460 |
[1,1,2,3,6,10,20,35,69,125,242,451,858,1638,3068, 5980,11050,21930,40052,80750,145996,298452,534888, 1106921,1968685,4118725,7276050,15371475,26993490, 57528750,100490220,215867880,375287550,811985790, 1405622460] |