n | a(n) |
---|---|
0 | 1 |
1 | 26 |
2 | 350 |
3 | 3250 |
4 | 23399 |
5 | 139204 |
6 | 712179 |
7 | 3220074 |
8 | 13124124 |
9 | 48942894 |
10 | 168958960 |
11 | 544988210 |
12 | 1655019795 |
13 | 4761697020 |
14 | 13048465756 |
15 | 34209731996 |
16 | 86141195946 |
17 | 209025000936 |
18 | 490211005011 |
19 | 1113996801606 |
20 | 2458618650891 |
21 | 5280637344216 |
[1,26,350,3250,23399,139204,712179,3220074, 13124124,48942894,168958960,544988210,1655019795, 4761697020,13048465756,34209731996,86141195946, 209025000936,490211005011,1113996801606, 2458618650891,5280637344216] |