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A197651 as a simple table

na(n)
11
27
325
4279
515573
6403867
764115297
813562905311
94563971866877
105430296531364427
117765379732369266217

[1,7,25,279,15573,403867,64115297,13562905311,
 4563971866877,5430296531364427,
 7765379732369266217]