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A020571 as a simple table

n a(n)
0 1
1 22
2 325
3 4030
4 45301
5 478702
6 4851925
7 47752510
8 460048501
9 4362445582
10 40876539925
11 379553364190
12 3499808594101
13 32098136255662
14 293160602826325
15 2668857246099070
16 24235419069434101
17 219645625266148942

[1,22,325,4030,45301,478702,4851925,47752510,
 460048501,4362445582,40876539925,379553364190,
 3499808594101,32098136255662,293160602826325,
 2668857246099070,24235419069434101,
 219645625266148942]

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Last modified May 26 18:08 EDT 2020. Contains 334630 sequences. (Running on oeis4.)