n | a(n) |
---|---|
0 | 0 |
1 | 1 |
2 | 91 |
3 | 869 |
4 | 4895 |
5 | 21562 |
6 | 83728 |
7 | 296268 |
8 | 977026 |
9 | 2990967 |
10 | 8418649 |
11 | 21740455 |
12 | 51758345 |
13 | 114517208 |
14 | 237528214 |
15 | 465636886 |
16 | 868918932 |
17 | 1553027197 |
18 | 2672453415 |
19 | 4447208761 |
20 | 7183467523 |
21 | 11298758534 |
22 | 17352329324 |
23 | 26081348272 |
24 | 38443650358 |
25 | 55667772435 |
26 | 79311064261 |
[0,1,91,869,4895,21562,83728,296268,977026, 2990967,8418649,21740455,51758345,114517208, 237528214,465636886,868918932,1553027197, 2672453415,4447208761,7183467523,11298758534, 17352329324,26081348272,38443650358,55667772435, 79311064261] |