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A153318 as a simple table

na(n)
01
111
223
3241
4505
55291
611087
7116161
8243409
92550251
105343911
1155989361
12117322633
131229215691
142575754015
1526986755841
1656549265697
17592479412811
181241508091319
1913007560326001

[1,11,23,241,505,5291,11087,116161,243409,2550251,
 5343911,55989361,117322633,1229215691,2575754015,
 26986755841,56549265697,592479412811,
 1241508091319,13007560326001]