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A143699 as a simple table

n a(n)
0 0
1 1
2 19
3 319
4 5301
5 88000
6 1460701
7 24245719
8 402446619
9 6680076601
10 110880352000
11 1840465787401
12 30549274537419
13 507077165538919
14 8416803858813901
15 139707705280792000
16 2318961358994380101

[0,1,19,319,5301,88000,1460701,24245719,402446619,
 6680076601,110880352000,1840465787401,
 30549274537419,507077165538919,8416803858813901,
 139707705280792000,2318961358994380101]

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Last modified November 13 20:57 EST 2019. Contains 329106 sequences. (Running on oeis4.)