A075144 - OEIS

%I #3 Mar 30 2012 17:22:26

%S 4,36,252,4788,9576,277704,4720968,61372584,675098424,4725688968,

%T 14177066904,836446947336,6691575578688,153906238309824,

%U 5694530817463488,449867934579615552,449867934579615552

%N Denominator of the generalized harmonic number H(n,5,4).

%C The numerators are in A075143. See A075135 for more details.

%t a=5; b=4; maxN=20; s=0; Denominator[Table[s+=1/(a n + b), {n, 0, maxN-1}]]

%Y Cf. A075135, A075143.

%K easy,frac,nonn

%O 1,1

%A _T. D. Noe_, Sep 04 2002