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A250743 as a simple table

n a(n)
1 1
2 1
3 6
4 24
5 150
6 720
7 1560
8 87360
9 1670760
10 20420400
11 1999157160
12 13085392320
13 3302971111440
14 103154328557280
15 1348374437570160
16 67598505136850688
17 114701988497522458032
18 2307534121538392979232
19 10183789060049355548733936

[1,1,6,24,150,720,1560,87360,1670760,20420400,
 1999157160,13085392320,3302971111440,
 103154328557280,1348374437570160,
 67598505136850688,114701988497522458032,
 2307534121538392979232,10183789060049355548733936]

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Last modified April 18 21:51 EDT 2024. Contains 371781 sequences. (Running on oeis4.)