OFFSET
1,2
LINKS
Rémy Sigrist, Table of n, a(n) for n = 1..10000
EXAMPLE
A283565(4)=7 and (7 mod 1) + (7 mod 2) + (7 mod 3) + (7 mod 4) + (7 mod 5) = 0 + 1 + 1 + 3 + 2 = 7, hence a(4)=5.
CROSSREFS
KEYWORD
nonn
AUTHOR
Rémy Sigrist, Mar 11 2017
STATUS
approved