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A217473 as a simple table

n a(n)
0 1
1 4
2 44
3 1276
4 96976
5 19298224
6 10054374704
7 13714167096256
8 48973290700730176
9 457851294761126415424
10 11206368290573330143917824
11 718092873691648422292110244096
12 120467978583384630972146706659789056

[1,4,44,1276,96976,19298224,10054374704,
 13714167096256,48973290700730176,
 457851294761126415424,11206368290573330143917824,
 718092873691648422292110244096,
 120467978583384630972146706659789056]

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Last modified October 23 00:39 EDT 2021. Contains 348211 sequences. (Running on oeis4.)