n | a(n) |
---|---|
0 | 0 |
1 | 1 |
2 | 6 |
3 | 22 |
4 | 66 |
5 | 179 |
6 | 460 |
7 | 1148 |
8 | 2820 |
9 | 6869 |
10 | 16658 |
11 | 40306 |
12 | 97414 |
13 | 235303 |
14 | 568216 |
15 | 1371960 |
16 | 3312392 |
17 | 7997033 |
18 | 19306782 |
19 | 46610958 |
20 | 112529098 |
21 | 271669595 |
22 | 655868772 |
23 | 1583407668 |
24 | 3822684684 |
25 | 9228777661 |
26 | 22280240682 |
27 | 53789259754 |
28 | 129858760974 |
29 | 313506782543 |
30 | 756872326960 |
[0,1,6,22,66,179,460,1148,2820,6869,16658,40306, 97414,235303,568216,1371960,3312392,7997033, 19306782,46610958,112529098,271669595,655868772, 1583407668,3822684684,9228777661,22280240682, 53789259754,129858760974,313506782543, 756872326960] |