n | a(n) |
---|---|
1 | 1 |
2 | 3 |
3 | 17 |
4 | 131 |
5 | 1055 |
6 | 8615 |
7 | 72951 |
8 | 633932 |
9 | 5602768 |
10 | 50193913 |
11 | 454577490 |
12 | 4153943134 |
13 | 38243708524 |
14 | 354330372215 |
15 | 3300752009165 |
16 | 30892997367352 |
17 | 290332329192655 |
18 | 2738477783884855 |
19 | 25913537508233527 |
20 | 245923809778144431 |
21 | 2339944887042508496 |
22 | 22316931815316988517 |
[1,3,17,131,1055,8615,72951,633932,5602768, 50193913,454577490,4153943134,38243708524, 354330372215,3300752009165,30892997367352, 290332329192655,2738477783884855, 25913537508233527,245923809778144431, 2339944887042508496,22316931815316988517] |