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A012136 as a simple table

n a(n)
1 1
2 5
3 129
4 7797
5 848481
6 145041093
7 35799178401
8 12045448529397
9 5298881528389185
10 2952169020073027845
11 2031522244065649876545
12 1692164698229362361298165
13 1677876856826199251515980705

[1,5,129,7797,848481,145041093,35799178401,
 12045448529397,5298881528389185,
 2952169020073027845,2031522244065649876545,
 1692164698229362361298165,
 1677876856826199251515980705]

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Last modified August 7 06:02 EDT 2020. Contains 336274 sequences. (Running on oeis4.)