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A251979 as a simple table

n a(n)
1 138390
2 2703512
3 26230040
4 153525420
5 1175144274
6 11222619848
7 98312125934
8 803257677008
9 6700124781216
10 57248679159724
11 486477779815126
12 4101737620836366
13 34626585291394000
14 293065570188616222

[138390,2703512,26230040,153525420,1175144274,
 11222619848,98312125934,803257677008,
 6700124781216,57248679159724,486477779815126,
 4101737620836366,34626585291394000,
 293065570188616222]

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Last modified December 7 00:16 EST 2019. Contains 329812 sequences. (Running on oeis4.)