OFFSET
1,3
COMMENTS
It appears that A077024(n) - a(n) = n.
EXAMPLE
[4/(1 + 1/2)] + [4/(2 + 1/2)] + [4/(3 + 1/2)] + [4/(4 + 1/2)] = 2+1+1+0 = 4 = a(4).
PROG
(PARI) a(n) = sum(k=1, n, n\(k+1/2)); \\ Michel Marcus, Jan 14 2023
CROSSREFS
KEYWORD
nonn
AUTHOR
Clark Kimberling, Oct 18 2002
STATUS
approved