1,2

Index entries for sequences related to factorial numbers

6*a(n) = (7*n-1)(!^7) := product(7*j-1, j=1..n) =(7*n)!/(7^n*n!*A045754(n)*2*A034829(n)*3*A034830(n)*4*A034831(n)*5*A034832(n)); E.g.f. (-1+(1-7*x)^(-6/7))/6.

Cf. A045754, A034829-A034834.

Sequence in context: A106738 A001508 A034242 this_sequence A013518 A101004 A001658

Adjacent sequences: A034830 A034831 A034832 this_sequence A034834 A034835 A034836

easy,nonn

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