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%I #9 Nov 28 2020 06:35:50
%S 6,7,8,10,19,21,23,24,28,33,72,80,270,271,323,404,2058,4118,5986,7118,
%T 13387,16041,20164,30024,30025,76955,151818,622213,1012549,2482211,
%U 2482212,6330859,9988608,14984623,105181797,180589455
%N Numbers k such that A248891(k) = 2.
%C If k is in {6, 7, 23, 270, 30024, 2482211, ...} then both numbers k and k+1 are in the sequence. It seems that this set has more members.
%Y Cf. A001359, A248891, A248901.
%K nonn,more
%O 1,1
%A _Jahangeer Kholdi_ and _Farideh Firoozbakht_, Nov 22 2014
%E a(27)-a(36) from _Jinyuan Wang_, Nov 28 2020
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