n | a(n) |
---|---|
0 | 1 |
1 | 2 |
2 | 6 |
3 | 26 |
4 | 150 |
5 | 1082 |
6 | 9366 |
7 | 94586 |
8 | 1091670 |
9 | 14174522 |
10 | 204495126 |
11 | 3245265146 |
12 | 56183135190 |
13 | 1053716696762 |
14 | 21282685940886 |
15 | 460566381955706 |
16 | 10631309363962710 |
17 | 260741534058271802 |
18 | 6771069326513690646 |
19 | 185603174638656822266 |
20 | 5355375592488768406230 |
[1,2,6,26,150,1082,9366,94586,1091670,14174522, 204495126,3245265146,56183135190,1053716696762, 21282685940886,460566381955706,10631309363962710, 260741534058271802,6771069326513690646, 185603174638656822266,5355375592488768406230] |