1,2

Index entries for sequences related to factorial numbers

4*a(n) = (7*n-3)(!^7) := product(7*j-3, j=1..n); E.g.f. (-1+(1-7*x)^(-4/7))/4.

Cf. A045754, A034829-A034834.

Sequence in context: A072290 A112127 A105124 this_sequence A142362 A112733 A088295

Adjacent sequences: A034828 A034829 A034830 this_sequence A034832 A034833 A034834

easy,nonn

Wolfdieter Lang (wolfdieter.lang(AT)physik.uni-karlsruhe.de)