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A196214 as a simple table

na(n)
15
261
3290
42161
514605
6101780
7723029
85056631
935105556
10245353935
111720551401
1212056500808
1384351164429
14589889437285
154128468776358
1628906652171595
17202358098703973
181416223455876968
199911711623472035
2069377533372430719

[5,61,290,2161,14605,101780,723029,5056631,
 35105556,245353935,1720551401,12056500808,
 84351164429,589889437285,4128468776358,
 28906652171595,202358098703973,1416223455876968,
 9911711623472035,69377533372430719]