1,4

A045619(n)=A000142(a(n))/A000142(A137912(n)-1) for n>1.

R. Zumkeller, Table of n, a(n) for n = 1..5000

a(24) = 3, A137912(24) = 6: A045619 = 3*4*5*6 = 360.

Sequence in context: A299022 A298532 A133779 * A019599 A177971 A114156

Adjacent sequences: A137908 A137909 A137910 * A137912 A137913 A137914

nonn

Reinhard Zumkeller, Feb 27 2008

approved