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A156339 as a simple table

na(n)
01
126
2169
38788
428561
5742586
64826809
7501988136
8815730721
921208998746
10137858491849
117168641576148
1223298085122481
13605750213184506
143937376385699289
15818974288225452112
16665416609183179841

[1,26,169,8788,28561,742586,4826809,501988136,
 815730721,21208998746,137858491849,7168641576148,
 23298085122481,605750213184506,3937376385699289,
 818974288225452112,665416609183179841]