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A221176 as a simple table

n a(n)
0 1
1 16
2 272
3 4880
4 91920
5 1810192
6 37142288
7 791744272
8 17490370320
9 399558315792
10 9421351690000
11 228916588400400
12 5723078052339472
13 147025755978698512
14 3876566243300318992
15 104789417805394595600
16 2901159958960121863952
17 82188946843192555474704
18 2380551266738846355103504
19 70441182699006212824911632

[1,16,272,4880,91920,1810192,37142288,791744272,
 17490370320,399558315792,9421351690000,
 228916588400400,5723078052339472,
 147025755978698512,3876566243300318992,
 104789417805394595600,2901159958960121863952,
 82188946843192555474704,2380551266738846355103504,
 70441182699006212824911632]

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Last modified April 25 01:35 EDT 2024. Contains 371964 sequences. (Running on oeis4.)