n | a(n) |
---|---|
1 | 4 |
2 | 17 |
3 | 257 |
4 | 3074 |
5 | 40434 |
6 | 522515 |
7 | 6800539 |
8 | 88363628 |
9 | 1148860844 |
10 | 14934544493 |
11 | 194151313701 |
12 | 2523957115862 |
13 | 32811479230534 |
14 | 426549073848551 |
15 | 5545138556625743 |
16 | 72086798766250976 |
17 | 937128393589298304 |
[4,17,257,3074,40434,522515,6800539,88363628, 1148860844,14934544493,194151313701,2523957115862, 32811479230534,426549073848551,5545138556625743, 72086798766250976,937128393589298304] |