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A290903 as a simple table

n a(n)
0 5
1 35
2 240
3 1645
4 11275
5 77280
6 529685
7 3630515
8 24883920
9 170556925
10 1169014555
11 8012544960
12 54918800165
13 376419056195
14 2580014593200
15 17683683096205
16 121205767080235
17 830756686465440
18 5694091038177845
19 39027880580779475
20 267501073027278480

[5,35,240,1645,11275,77280,529685,3630515,
 24883920,170556925,1169014555,8012544960,
 54918800165,376419056195,2580014593200,
 17683683096205,121205767080235,830756686465440,
 5694091038177845,39027880580779475,
 267501073027278480]

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Last modified March 28 11:49 EDT 2020. Contains 333083 sequences. (Running on oeis4.)