A160276 - OEIS

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A160276 as a simple table

n	a(n)
1	5
2	3
3	1
4	2
5	7
6	5
7	6
8	166
9	13154
10	4930509
11	127124010240
12	10693928511363374992
13	137968261463122599313575510368212
14	39152821738115568671532031705958771665111819590244323355597268791

[5,3,1,2,7,5,6,166,13154,4930509,127124010240, 10693928511363374992, 137968261463122599313575510368212, 39152821738115568671532031705958771665111819590244\ 323355597268791]