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A052833 as a simple table

n a(n)
0 0
1 0
2 2
3 12
4 72
5 500
6 4080
7 38668
8 419160
9 5124708
10 69831360
11 1049972924
12 17273719848
13 308714206996
14 5956836347280
15 123437573728620
16 2734197673727736
17 64473939310567364
18 1612626113517932640
19 42645398700110627356
20 1188880256538133537224
21 34849264499702702749812

[0,0,2,12,72,500,4080,38668,419160,5124708,
 69831360,1049972924,17273719848,308714206996,
 5956836347280,123437573728620,2734197673727736,
 64473939310567364,1612626113517932640,
 42645398700110627356,1188880256538133537224,
 34849264499702702749812]

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Last modified July 18 21:02 EDT 2024. Contains 374388 sequences. (Running on oeis4.)