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A195566 as a simple table

na(n)
13
24
3253
4351
52849
615747
715996
81039997
91436799
1011676801
1164528003
1265552004
134261904253
145888003551
1547851526049
16264435743747
17268632095996
1817465282591997
1924129037113599
20196095542073601
211083657613344003
221100854263840004

[3,4,253,351,2849,15747,15996,1039997,1436799,
 11676801,64528003,65552004,4261904253,5888003551,
 47851526049,264435743747,268632095996,
 17465282591997,24129037113599,196095542073601,
 1083657613344003,1100854263840004]