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A091750 as a simple table

na(n)
11
219
31171
4151681
533743041
611461272931
75499378001699
83524209981309921
92887597622445729121
102916075074262560119891
113507033649107862877516371
124836904652902464306386484769
137251193844710136332044143616481

[1,19,1171,151681,33743041,11461272931,
 5499378001699,3524209981309921,
 2887597622445729121,2916075074262560119891,
 3507033649107862877516371,
 4836904652902464306386484769,
 7251193844710136332044143616481]