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A028216 as a simple table

na(n)
01
136
2817
314952
4241213
53582348
650196889
7673865424
88755297045
9110878147380
101375697840881
1116786476031416
12202032169207597
132403762666000732
1428323951022216393
15331005811232778528

[1,36,817,14952,241213,3582348,50196889,673865424,
 8755297045,110878147380,1375697840881,
 16786476031416,202032169207597,2403762666000732,
 28323951022216393,331005811232778528]