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A015265 as a simple table

n a(n)
2 1
3 157
4 26690
5 4508570
6 761974851
7 128773405047
8 21762709934980
9 3677897920745140
10 621564749363392901
11 105044442632566365137
12 17752510805031727164870
13 3000174326048697741925710
14 507029461102251552321630151
15 85687978926280231101185088427

[1,157,26690,4508570,761974851,128773405047,
 21762709934980,3677897920745140,
 621564749363392901,105044442632566365137,
 17752510805031727164870,3000174326048697741925710,
 507029461102251552321630151,
 85687978926280231101185088427]

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Last modified April 22 10:43 EDT 2019. Contains 322330 sequences. (Running on oeis4.)