OFFSET
3,1
LINKS
Robert Israel, Table of n, a(n) for n = 3..300
MAPLE
es3:= proc(L) convert(map(convert, combinat:-choose(L, 3), `*`), `+`) end proc:
f:= proc(n) local k; floor(es3(ListTools:-PartialSums([seq(1/k, k=1..n)]))) end proc:
map(f, [$3..50]); # Robert Israel, Dec 12 2022
CROSSREFS
KEYWORD
nonn
AUTHOR
STATUS
approved