n | a(n) |
---|---|
52 | 1 |
53 | 53 |
54 | 1431 |
55 | 26235 |
56 | 367290 |
57 | 4187106 |
58 | 40475358 |
59 | 341149446 |
60 | 2558620845 |
61 | 17341763505 |
62 | 107518933731 |
63 | 615790256823 |
64 | 3284214703056 |
65 | 16421073515280 |
66 | 77413632286320 |
67 | 345780890878896 |
68 | 1469568786235308 |
69 | 5964720367660956 |
[1,53,1431,26235,367290,4187106,40475358, 341149446,2558620845,17341763505,107518933731, 615790256823,3284214703056,16421073515280, 77413632286320,345780890878896,1469568786235308, 5964720367660956] |