A231422 - OEIS

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A231422 as a simple table

n	a(n)
1	285
2	15125
3	844061
4	46978621
5	2655479347
6	149618567148
7	8438399440722
8	475900619492206
9	26841006150186265
10	1513850582045527801
11	85382577970170683674
12	4815661653900157997070
13	271608188052392844879540

[285,15125,844061,46978621,2655479347, 149618567148,8438399440722,475900619492206, 26841006150186265,1513850582045527801, 85382577970170683674,4815661653900157997070, 271608188052392844879540]