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A346841 as a simple table

na(n)
01
10
22
39
440
5360
62480
728833
8266936
93562920
1045634258
11659631225
1210231705196
13176661237948
143080315922294
1559430009554685
161217593208993232
1725766943601055184
18583245289316927058
1913861911731632256457
20343615639889119016556
218925102256331257339140
22242399591002192962709230

[1,0,2,9,40,360,2480,28833,266936,3562920,
 45634258,659631225,10231705196,176661237948,
 3080315922294,59430009554685,1217593208993232,
 25766943601055184,583245289316927058,
 13861911731632256457,343615639889119016556,
 8925102256331257339140,242399591002192962709230]