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A015333 as a simple table

na(n)
61
7909091
8918273728191
9917356372736537191
10917448117456547208447191
11917438943076290926712489347191
12917439860515234003003416059680347191
13917439768771348869854580597622587770347191

[1,909091,918273728191,917356372736537191,
 917448117456547208447191,
 917438943076290926712489347191,
 917439860515234003003416059680347191,
 917439768771348869854580597622587770347191]