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A152299 as a simple table

na(n)
01
15
291
3410
47381
533215
6597871
72690420
848427561
9217924025
103922632451
1117651846030
12317733228541
131429799528435
1425736391511831
15115813761803240
162084647712458321
179380914706062445
18168856464709124011

[1,5,91,410,7381,33215,597871,2690420,48427561,
 217924025,3922632451,17651846030,317733228541,
 1429799528435,25736391511831,115813761803240,
 2084647712458321,9380914706062445,
 168856464709124011]