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A156361 as a simple table

n a(n)
0 1
1 6
2 42
3 288
4 2016
5 14040
6 98280
7 686880
8 4808160
9 33638976
10 235472832
11 1647983232
12 11535882624
13 80745019776
14 565215138432
15 3956385876480
16 27694701135360
17 193860506096640
18 1357023542676480
19 9499115800977408

[1,6,42,288,2016,14040,98280,686880,4808160,
 33638976,235472832,1647983232,11535882624,
 80745019776,565215138432,3956385876480,
 27694701135360,193860506096640,1357023542676480,
 9499115800977408]

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Last modified April 24 20:08 EDT 2024. Contains 371963 sequences. (Running on oeis4.)