n | a(n) |
---|---|
0 | 0 |
1 | 1 |
2 | 18 |
3 | 198 |
4 | 1300 |
5 | 5895 |
6 | 20646 |
7 | 60028 |
8 | 151848 |
9 | 344925 |
10 | 719290 |
11 | 1399266 |
12 | 2569788 |
13 | 4496323 |
14 | 7548750 |
15 | 12229560 |
16 | 19206736 |
17 | 29351673 |
18 | 43782498 |
19 | 63913150 |
20 | 91508580 |
21 | 128746431 |
22 | 178285558 |
23 | 243341748 |
24 | 327771000 |
25 | 436160725 |
26 | 573929226 |
[0,1,18,198,1300,5895,20646,60028,151848,344925, 719290,1399266,2569788,4496323,7548750,12229560, 19206736,29351673,43782498,63913150,91508580, 128746431,178285558,243341748,327771000,436160725, 573929226] |