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A218316 as a simple table

na(n)
125
2993
332641
41040977
533296833
61065434881
734092332617
81090897313921
934906847699841
101116959510237537
1135740797133371201
121143644481745733633
1336594670664121360825
141170966976498174909921
1537468943842624386026753

[25,993,32641,1040977,33296833,1065434881,
 34092332617,1090897313921,34906847699841,
 1116959510237537,35740797133371201,
 1143644481745733633,36594670664121360825,
 1170966976498174909921,37468943842624386026753]