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A022111 as a simple table

n a(n)
0 1
1 20
2 263
3 2878
4 28449
5 264048
6 2350651
7 20332466
8 172311557
9 1438844836
10 11885079999
11 97387603014
12 793247778025
13 6432389826584
14 51985193621507
15 419076145997722
16 3371967484999053
17 27092843456412492

[1,20,263,2878,28449,264048,2350651,20332466,
 172311557,1438844836,11885079999,97387603014,
 793247778025,6432389826584,51985193621507,
 419076145997722,3371967484999053,
 27092843456412492]

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Last modified March 29 08:59 EDT 2024. Contains 371268 sequences. (Running on oeis4.)