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A296989 as a simple table

na(n)
11
277
31653
412601
5639327
626724927
7702794334
824416753991
9892243428330
1029462787050221
11998361846643570
1234570695463676885
131178226645017158477
1440142564452672581992
151374478845809683086730
1646978226057419131275321

[1,77,1653,12601,639327,26724927,702794334,
 24416753991,892243428330,29462787050221,
 998361846643570,34570695463676885,
 1178226645017158477,40142564452672581992,
 1374478845809683086730,46978226057419131275321]