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A155310
as a simple table
n
a(n)
4
1
5
7
6
25
7
55
8
184
9
1073
10
8931
11
73812
12
639377
13
7143496
14
110082014
15
2154472585
16
48658986855
17
1307630014597
[1,7,25,55,184,1073,8931,73812,639377,7143496, 110082014,2154472585,48658986855,1307630014597]