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A055084 as a simple table

n a(n)
1 1
2 15
3 180
4 2001
5 20755
6 200082
7 1781941
8 14637962
9 111011667
10 779695050
11 5093379110
12 31092553357
13 178203364143
14 963217652830
15 4930357535218
16 23989343505296
17 111335037107474
18 494383391324356
19 2106346854756098

[1,15,180,2001,20755,200082,1781941,14637962,
 111011667,779695050,5093379110,31092553357,
 178203364143,963217652830,4930357535218,
 23989343505296,111335037107474,494383391324356,
 2106346854756098]

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Last modified March 28 20:05 EDT 2024. Contains 371254 sequences. (Running on oeis4.)