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Terms a(k) of A073869 for which a(k)=a(k+1).
3

%I #7 Sep 29 2017 17:07:51

%S 1,3,4,6,8,9,11,12,14,16,17,19,21,22,24,25,27,29,30,32,33,35,37,38,40,

%T 42,43,45,46,48,50,51,53,55,56,58,59,61,63,64,66,67,69,71,72,74,76,77,

%U 79,80,82,84,85,87,88,90,92,93,95,97,98,100,101,103,105,106,108,110,111

%N Terms a(k) of A073869 for which a(k)=a(k+1).

%C Is this the same as A000201?

%Y Cf. A002251, A005206, A073869, A090909, A000201.

%K nonn

%O 1,2

%A _Amarnath Murthy_, Dec 14 2003

%E More terms from _R. J. Mathar_, Sep 29 2017