n | a(n) |
---|---|
1 | 1 |
2 | 4 |
3 | 26 |
4 | 92 |
5 | 2102 |
6 | 23102 |
7 | 60062 |
8 | 510512 |
9 | 29099072 |
10 | 3792578792 |
11 | 84106011992 |
12 | 2005604901302 |
13 | 252305096583542 |
14 | 11561510014033982 |
15 | 52331045326680122 |
16 | 31359378912013061912 |
17 | 1792403716245452460152 |
18 | 98060777857864844592572 |
19 | 3401363059422802158514832 |
[1,4,26,92,2102,23102,60062,510512,29099072, 3792578792,84106011992,2005604901302, 252305096583542,11561510014033982, 52331045326680122,31359378912013061912, 1792403716245452460152,98060777857864844592572, 3401363059422802158514832] |