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A236600 as a simple table

na(n)
1256376
221573924
31595240268
4114361325908
58637812725732
6686154548079428
753363642771760846
84146320509593838896
9321316567338293060782
1025208853307396462750684
111962424969434838706042758

[256376,21573924,1595240268,114361325908,
 8637812725732,686154548079428,53363642771760846,
 4146320509593838896,321316567338293060782,
 25208853307396462750684,1962424969434838706042758]