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A234714
Numerator of sum_{k=1..n} 1/(k*H(k)) where H(k) is the harmonic number H(k) = sum_{j=1..n} 1/j.
1
0, 1, 4, 50, 1349, 194713, 9917687, 112451057, 87707471002, 638247495586258, 39621419345255038, 3367553690081394959018, 293578866124447319211215128, 340463591070905769538621961175104, 403214792232827898020426758621769680732, 16787247654077861265551571547714793328259156
OFFSET
0,3
COMMENTS
The corresponding denominators are in A234715.
MATHEMATICA
nmax = 54; Table[ Numerator[ Sum[ 1/(k HarmonicNumber[k]), {k, 1, n} ] ], {n, 0, nmax} ]
KEYWORD
nonn,easy
AUTHOR
Stuart Clary, Dec 29 2013
STATUS
approved