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%I #15 Nov 05 2015 11:07:38
%S 220,284,1184,1210,2620,2924,5020,5564,6232,6368,10744,10856,17296,
%T 18416,63020,66928,66992,76084,79750,88730,122368,123152,141664,
%U 142310,153176,168730,171856,176272,176336,180848,185368,196724,202444,203432,280540,308620,319550,356408,365084,389924,399592,430402,437456,455344
%N Even amicable numbers.
%C Even numbers that are also amicable numbers.
%C Intersection of A005843 and A063990.
%C The first time a pair (x, y) of even amicable numbers ordered by its first element is not adjacent is x = 63020, y = 76084 which correspond to a(15) and a(18), respectively.
%o (PARI) t(n)=sigma(n)-n;
%o is(n)={local(a); a=t(n); a<>n && t(a)==n};
%o for(n=1, 1e6, if( n%2 == 0 && is(n), print1(n", "))) \\ _Altug Alkan_, Oct 16 2015
%Y Cf. A002025, A002046, A005843, A063990, A259180, A259933, A262625.
%K nonn
%O 1,1
%A _Omar E. Pol_, Oct 02 2015
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