A069634 - OEIS

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A069634 as a simple table

n	a(n)
1	7
2	71
3	271
4	2711
5	52711
6	5271107
7	95271107
8	9527110787
9	59527110787
10	5952711078773
11	65952711078773
12	6595271107877341
13	36595271107877341
14	3659527110787734161
15	33659527110787734161
16	3365952711078773416187

[7,71,271,2711,52711,5271107,95271107,9527110787, 59527110787,5952711078773,65952711078773, 6595271107877341,36595271107877341, 3659527110787734161,33659527110787734161, 3365952711078773416187]