%I #16 Feb 10 2021 01:24:56
%S 1,4,12,25,28,30,60,61,109,124,252,478,529,1024,3273,6172,14881,24700,
%T 28732,29701,32509,41437,47569,70009,83209,86629,88177,99712,131161,
%U 161473,172092,224389,280869,281509,419017,640129,691840,704089,983641,1048588
%N Numbers n such that (j^k + k^j) == 0 (mod k+j), j=4 case.
%C a(755) > 10^11. - _Hiroaki Yamanouchi_, Sep 26 2015
%H Hiroaki Yamanouchi, <a href="/A114979/b114979.txt">Table of n, a(n) for n = 1..754</a>
%o (PARI) isok(k, j=4) = (j^k+k^j) % (k+j) == 0; \\ _Michel Marcus_, Oct 10 2013
%Y Cf. A114977, A114978, A114980, A114981.
%K nonn
%O 1,2
%A _Zak Seidov_, Feb 22 2006
%E a(11)-a(28) from _Michel Marcus_, Oct 10 2013
%E a(29)-a(40) from _Hiroaki Yamanouchi_, Sep 26 2015