This site is supported by donations to The OEIS Foundation.

 Hints (Greetings from The On-Line Encyclopedia of Integer Sequences!)
 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. 1
 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 (list; graph; refs; listen; history; text; internal format)
 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), 242-245. Wikipedia, Amicable numbers CROSSREFS Cf. A002025, A002046, A259180. Sequence in context: A185708 A286996 A275305 * A277145 A295875 A277147 Adjacent sequences:  A265754 A265755 A265756 * A265758 A265759 A265760 KEYWORD nonn AUTHOR Felix FrÃ¶hlich, Dec 15 2015 STATUS approved

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Style Sheet | Transforms | Superseeker | Recent | More pages
The OEIS Community | Maintained by The OEIS Foundation Inc.

Last modified November 15 22:20 EST 2018. Contains 317252 sequences. (Running on oeis4.)