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A157106 as a simple table

na(n)
13395619
217808513
343524451
480543433
5128865459
6188490529
7259418643
8341649801
9435184003
10540021249
11656161539
12783604873
13922351251
141072400673
151233753139
161406408649
171590367203
181785628801
191992193443
202210061129

[3395619,17808513,43524451,80543433,128865459,
 188490529,259418643,341649801,435184003,540021249,
 656161539,783604873,922351251,1072400673,
 1233753139,1406408649,1590367203,1785628801,
 1992193443,2210061129]