OFFSET
1,2
COMMENTS
LINKS
Jaroslav Krizek, Table of n, a(n) for n = 1..39
PROG
(Magma) [n: n in [1..10^6] | Floor((n*(n+1)div 2) div (SumOfDivisors(n))) eq Floor(((n+1)*(n+2)div 2) div (SumOfDivisors(n+1)))]
CROSSREFS
KEYWORD
nonn
AUTHOR
Jaroslav Krizek, Jul 08 2014
STATUS
approved