n | a(n) |
---|---|
0 | 1 |
1 | 2 |
2 | 6 |
3 | 14 |
4 | 33 |
5 | 70 |
6 | 149 |
7 | 298 |
8 | 591 |
9 | 1132 |
10 | 2139 |
11 | 3948 |
12 | 7199 |
13 | 12894 |
14 | 22836 |
15 | 39894 |
16 | 68982 |
17 | 117948 |
18 | 199852 |
19 | 335426 |
20 | 558429 |
21 | 922112 |
22 | 1511610 |
23 | 2460208 |
24 | 3977963 |
25 | 6390942 |
26 | 10206862 |
27 | 16207444 |
28 | 25596941 |
29 | 40214896 |
30 | 62868772 |
31 | 97814358 |
[1,2,6,14,33,70,149,298,591,1132,2139,3948,7199, 12894,22836,39894,68982,117948,199852,335426, 558429,922112,1511610,2460208,3977963,6390942, 10206862,16207444,25596941,40214896,62868772, 97814358] |