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A135266 as a simple table

na(n)
00
11
25
319
460
5182
6546
71639
84919
914761
1044286
11132860
12398580
131195741
143587225
1510761679
1632285040
1796855122
18290565366
19871696099
202615088299
217845264901
2223535794706
2370607384120
24211822152360
25635466457081

[0,1,5,19,60,182,546,1639,4919,14761,44286,132860,
 398580,1195741,3587225,10761679,32285040,96855122,
 290565366,871696099,2615088299,7845264901,
 23535794706,70607384120,211822152360,635466457081]