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A012830 as a simple table

n a(n)
0 1
1 4
2 88
3 4184
4 398848
5 58835456
6 12993783424
7 3911934210560
8 1562951627091968
9 793328025614454784
10 501079933291827593216
11 384338283691725654392832
12 352458553186266111883247616

[1,4,88,4184,398848,58835456,12993783424,
 3911934210560,1562951627091968,793328025614454784,
 501079933291827593216,384338283691725654392832,
 352458553186266111883247616]

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Last modified August 16 15:19 EDT 2022. Contains 356168 sequences. (Running on oeis4.)