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A197610 as a simple table

n a(n)
1 4
2 124
3 1840
4 33484
5 545364
6 9128940
7 153043371
8 2556879780
9 42705555374
10 714332556250
11 11946178545054
12 199712785881590
13 3338964219686634
14 55828949963800871
15 933460561222027948
16 15606952873472092322 

[4,124,1840,33484,545364,9128940,153043371,
 2556879780,42705555374,714332556250,
 11946178545054,199712785881590,3338964219686634,
 55828949963800871,933460561222027948,
 15606952873472092322]

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Last modified June 30 19:43 EDT 2022. Contains 354945 sequences. (Running on oeis4.)