OFFSET
1,5
PROG
(Magma) f:=func<n| Floor(a+Exp(a)*Log(a))-DivisorSigma(1, n) where a is HarmonicNumber(n) >; [&+[f(k):k in [1..n]]:n in [1..62]]; // Marius A. Burtea, Nov 18 2019
CROSSREFS
KEYWORD
nonn
AUTHOR
Omar E. Pol, Oct 26 2019
STATUS
approved