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A265757
Relative parity of A002025(n) and A002046(n), the two members of the n-th amicable pair: 0 if both members are even, 1 if both members are odd or -1 if they have opposite parity.
2
0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 1, 1, 0, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 1, 0, 0, 0, 0, 1, 0, 1, 0, 1, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 1, 0, 0, 0, 1
OFFSET
1
COMMENTS
No value of n is known such that a(n) = -1.
LINKS
J. Alanen, O. Ore and J. Stemple, Systematic computations on amicable numbers, Math. Comp., Vol. 21, No. 98 (1967), pp. 242-245.
Wikipedia, Amicable numbers.
CROSSREFS
KEYWORD
nonn
AUTHOR
Felix Fröhlich, Dec 15 2015
STATUS
approved