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Numbers k from A284919 such that either k-1 or k+1 is in A277688.
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%I #16 Apr 22 2017 15:13:11

%S 0,2,4,6,28,58,62,80,82,88,112,118,124,128,148,152,164,166,178,190,

%T 208,212,214,224,238,242,248,250,268,284,290,292,296,298,308,320,322,

%U 326,328,332,338,346,358,368,380,388,392,398,406,410,418,422,430,434,440

%N Numbers k from A284919 such that either k-1 or k+1 is in A277688.

%C We conjecture that the sequence is infinite. This sequence shows the proximity of A284919 and A277688 based on Goldbach and Lemoine-Levy representations of even and odd numbers respectively.

%C The differences between the positions of the corresponding terms of A284919 and A277688 are 0,0,0,1,0,2,2,1,1,1,2,3,2,2,2,2,3,1,... .

%C The differences between these terms are -1,-1,-1,1,-1,-1,1,1,-1,-1,-1,-1,-1,1,-1,1,1,... .

%Y Cf. A284919, A277688.

%K nonn

%O 1,2

%A _Vladimir Shevelev_, Apr 11 2017

%E More terms from _Peter J. C. Moses_, Apr 11 2017