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A033533 as a simple table

na(n)
01
110012
21441534384
3154620656140976
417312701462385916505
51926836037115087006553088
6214664979834173287380956088153
723911146651705731250582573707211200

[1,10012,1441534384,154620656140976,
 17312701462385916505,1926836037115087006553088,
 214664979834173287380956088153,
 23911146651705731250582573707211200]