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A158580 as a simple table

n a(n)
0 1
1 30
2 898
3 26820
4 799212
5 23761800
6 704861880
7 20860714800
8 615953377680
9 18144829893600
10 533257736009760
11 15634835482420800
12 457313394280409280
13 13344165776834179200
14 388434825053734734720
15 11279408109860685024000

[1,30,898,26820,799212,23761800,704861880,
 20860714800,615953377680,18144829893600,
 533257736009760,15634835482420800,
 457313394280409280,13344165776834179200,
 388434825053734734720,11279408109860685024000]

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Last modified May 15 21:44 EDT 2021. Contains 343929 sequences. (Running on oeis4.)