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A017730 as a simple table

na(n)
661
6767
682278
6952394
70916895
7113019909
72156238908
731629348612
7415071474661
75125595622175
76954526728530
776681687099710
7843430966148115
79263926640438545
801508152231077400
818144022047817960
8241738112995067045

[1,67,2278,52394,916895,13019909,156238908,
 1629348612,15071474661,125595622175,954526728530,
 6681687099710,43430966148115,263926640438545,
 1508152231077400,8144022047817960,
 41738112995067045]