n | a(n) |
---|---|
0 | 1 |
1 | 4 |
2 | 17 |
3 | 650 |
4 | 2617 |
5 | 11118 |
6 | 425101 |
7 | 1711522 |
8 | 7271189 |
9 | 278016704 |
10 | 1119338005 |
11 | 4755368724 |
12 | 181823349517 |
13 | 732048766792 |
14 | 3110018416685 |
15 | 118912748600822 |
16 | 478761012819973 |
17 | 2033956799880714 |
18 | 77769119408287105 |
19 | 313110434433029134 |
20 | 1330210857140403641 |
[1,4,17,650,2617,11118,425101,1711522,7271189, 278016704,1119338005,4755368724,181823349517, 732048766792,3110018416685,118912748600822, 478761012819973,2033956799880714, 77769119408287105,313110434433029134, 1330210857140403641] |