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A220723 as a simple table

n a(n)
1 1
2 221
3 14466
4 1071230
5 78144195
6 5717794568
7 418227762771
8 30590627951201
9 2237516237251959
10 163660666377014852
11 11970779327114888365
12 875589432986745821505
13 64044022151487396268429
14 4684429285176288596665322 

[1,221,14466,1071230,78144195,5717794568,
 418227762771,30590627951201,2237516237251959,
 163660666377014852,11970779327114888365,
 875589432986745821505,64044022151487396268429,
 4684429285176288596665322]

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Last modified April 24 14:54 EDT 2024. Contains 371960 sequences. (Running on oeis4.)