a(n) = n! times the denominator of the n-th harmonic number H(n).

A316297

a(n) = n! times the denominator of the n-th harmonic number H(n).

Terms

    a(0) =1a(1) =4a(2) =36a(3) =288a(4) =7200a(5) =14400a(6) =705600a(7) =11289600a(8) =914457600a(9) =9144576000

External references