OFFSET
1,2
COMMENTS
Antisigma(n) = A024816(n) = the sum of the non-divisors of n that are between 1 and n. a(9) > 10^5. Conjecture: a(9) = 29886159, a(10) = 29886160.
EXAMPLE
5 and 6 are in the sequence because antisigma(5) = antisigma(6) = 9.
CROSSREFS
KEYWORD
nonn
AUTHOR
Jaroslav Krizek, Nov 10 2013
EXTENSIONS
a(9)-a(10) from Donovan Johnson, Nov 12 2013
STATUS
approved