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A112915 as a simple table

n a(n)
0 1
1 1
2 4
3 28
4 272
5 3312
6 47872
7 794880
8 14840064
9 306900736
10 6953989120
11 171200048128
12 4548965384192
13 129742326218752
14 3953689388187648
15 128215703582343168
16 4409347536459988992
17 160304460015345795072

[1,1,4,28,272,3312,47872,794880,14840064,
 306900736,6953989120,171200048128,4548965384192,
 129742326218752,3953689388187648,
 128215703582343168,4409347536459988992,
 160304460015345795072]

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Last modified June 3 13:35 EDT 2024. Contains 373060 sequences. (Running on oeis4.)