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A023955 as a simple table

n a(n)
0 1
1 25
2 413
3 5693
4 70989
5 831693
6 9347341
7 102052621
8 1091175437
9 11489041421
10 119581270029
11 1233774903309
12 12644058796045
13 128906738896909
14 1308890633457677
15 13248056512466957
16 133757151879680013

[1,25,413,5693,70989,831693,9347341,102052621,
 1091175437,11489041421,119581270029,1233774903309,
 12644058796045,128906738896909,1308890633457677,
 13248056512466957,133757151879680013]

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Last modified May 27 16:48 EDT 2022. Contains 354110 sequences. (Running on oeis4.)