n | a(n) |
---|---|
0 | 1 |
1 | 4 |
2 | 22 |
3 | 308 |
4 | 7877 |
5 | 287224 |
6 | 13293116 |
7 | 735955720 |
8 | 47105160785 |
9 | 3410314286768 |
10 | 275071315285416 |
11 | 24442342714268592 |
12 | 2371821148074889444 |
13 | 249559207019813962752 |
14 | 28303003280888905543584 |
15 | 3442273720243525242224992 |
16 | 446977352681757476329452018 |
17 | 61724119095080041604018873868 |
18 | 9033234491867095630258647812994 |
19 | 1396682556807057529868101744945708 |
20 | 227509260041431637641628131782970335 |
[1,4,22,308,7877,287224,13293116,735955720, 47105160785,3410314286768,275071315285416, 24442342714268592,2371821148074889444, 249559207019813962752,28303003280888905543584, 3442273720243525242224992, 446977352681757476329452018, 61724119095080041604018873868, 9033234491867095630258647812994, 1396682556807057529868101744945708, 227509260041431637641628131782970335] |