n | a(n) |
---|---|
0 | 1 |
1 | 4 |
2 | 26 |
3 | 232 |
4 | 2657 |
5 | 37405 |
6 | 627435 |
7 | 12248365 |
8 | 273211787 |
9 | 6862775083 |
10 | 191840407156 |
11 | 5909873159107 |
12 | 199002812894375 |
13 | 7273866200397039 |
14 | 286882936292798852 |
15 | 12145886485652450131 |
16 | 549504341899436759416 |
[1,4,26,232,2657,37405,627435,12248365,273211787, 6862775083,191840407156,5909873159107, 199002812894375,7273866200397039, 286882936292798852,12145886485652450131, 549504341899436759416] |