n | a(n) |
---|---|
0 | 0 |
1 | 2 |
2 | 3 |
3 | 7 |
4 | 27 |
5 | 151 |
6 | 1083 |
7 | 9367 |
8 | 94587 |
9 | 1091671 |
10 | 14174523 |
11 | 204495127 |
12 | 3245265147 |
13 | 56183135191 |
14 | 1053716696763 |
15 | 21282685940887 |
16 | 460566381955707 |
17 | 10631309363962711 |
18 | 260741534058271803 |
19 | 6771069326513690647 |
[0,2,3,7,27,151,1083,9367,94587,1091671,14174523, 204495127,3245265147,56183135191,1053716696763, 21282685940887,460566381955707,10631309363962711, 260741534058271803,6771069326513690647] |