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A255535 as a simple table

na(n)
114
288
365548
433554459
5387420510
61099511627800
735184372088855
83656158440063002
9459986536544739960976836

[14,88,65548,33554459,387420510,1099511627800,
 35184372088855,3656158440063002,
 459986536544739960976836]