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A287591 as a simple table

na(n)
1656601
225536531021
38829751133841
460561233400921
579934093254401
6352609909731201
7598438077923841
8976515437206401
92122162714918401
102789066007968241
113767175573114801
127881891474971361
1310740122274670881
1411512252145095521
1516924806963384321

[656601,25536531021,8829751133841,60561233400921,
 79934093254401,352609909731201,598438077923841,
 976515437206401,2122162714918401,2789066007968241,
 3767175573114801,7881891474971361,
 10740122274670881,11512252145095521,
 16924806963384321]