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A018187 as a simple table

na(n)
127664033
246672291
3102690901
4130944133
5517697641
6545670533
7801123451
8855073301
9970355431
101235188597
113273820903
123841324339
133924969689
144982970241
155130186571
165242624003
176335800411
187045248121

[27664033,46672291,102690901,130944133,517697641,
 545670533,801123451,855073301,970355431,
 1235188597,3273820903,3841324339,3924969689,
 4982970241,5130186571,5242624003,6335800411,
 7045248121]