OFFSET
2,2
LINKS
Robert Israel, Table of n, a(n) for n = 2..1000
MAPLE
es2:= proc(L) convert(map(convert, combinat:-choose(L, 2), `*`), `+`) end proc:
f:= proc(n) local k; floor(es2(ListTools:-PartialSums([seq(1/k, k=1..n)]))) end proc:
map(f, [$2..50]); # Robert Israel, Dec 13 2022
CROSSREFS
KEYWORD
nonn
AUTHOR
STATUS
approved