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Reminder: The OEIS is hiring a new managing editor, and the application deadline is January 26.

A193222 as a simple table

na(n)
15
264
31212
446984
53644772
6576095092
7189451753044
8131372808313824
9193374015990002468

[5,64,1212,46984,3644772,576095092,189451753044,
 131372808313824,193374015990002468]