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A056066 as a simple table

na(n)
00
11
23
328
4570
522568
61682352
7237014512
864144890960
933877404737792
1035289907832496768
1172958473002707495168
12300387071466709317941760
132467720611903398552604259328
1440493022471111759715270671578112
151327970521286614645847457853386207232

[0,1,3,28,570,22568,1682352,237014512,64144890960,
 33877404737792,35289907832496768,
 72958473002707495168,300387071466709317941760,
 2467720611903398552604259328,
 40493022471111759715270671578112,
 1327970521286614645847457853386207232]