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A268783 as a simple table

na(n)
11
25
317
448
5131
6338
7850
82091
95061
1012095
1128608
1267095
13156244
14361652
15832757
161908885
174358285
189915728
1922489147
2050862918
21114743814
22258261695
23580072917
241300393467
252910078592
266501783407
2714504787560
2832313853992
2971896385513

[1,5,17,48,131,338,850,2091,5061,12095,28608,
 67095,156244,361652,832757,1908885,4358285,
 9915728,22489147,50862918,114743814,258261695,
 580072917,1300393467,2910078592,6501783407,
 14504787560,32313853992,71896385513]