A257114 Number of factorizations of m^n into n factors, where m is a product of exactly 4 distinct primes and each factor is a product of 4 primes (counted with multiplicity).

1, 1, 10, 70, 465, 2505, 12652, 57232, 240481, 936785, 3428138, 11817866, 38676949, 120577553, 359800464, 1030830032, 2845200663, 7584911479, 19580001382, 49046743566, 119457712491, 283383330899, 655832583316, 1482829086428, 3279794012205, 7105246435381

Offset: 0

Author

Alois P. Heinz, Apr 24 2015

Keywords

• nonn

Examples

			a(2) = 10: (2*3*5*7)^2 = 44100 = 210*210 = 225*196 = 294*150 = 315*140 = 350*126 = 441*100 = 490*90 = 525*84 = 735*60 = 1225*36.
		

Crossrefs

Column k=4 of A257462.