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A156333 Odd nonprimes q=A141468(j) such that largest digit(j)+largest digit(q) is a prime. 0

%I #5 Mar 30 2012 18:52:32

%S 1,39,57,91,115,121,133,143,145,147,153,155,161,175,189,203,205,207,

%T 225,231,235,243,253,255,261,273,279,285,295,299,301,303,323,325,327,

%U 341,343,345,351,355,377,385,387,411,415,427,429,441,445,447,451,465,481,483

%N Odd nonprimes q=A141468(j) such that largest digit(j)+largest digit(q) is a prime.

%C Subsequence of A014076 - _R. J. Mathar_, Feb 10 2009

%Y Cf. A000027, A000040, A141468.

%K nonn,base,less

%O 1,2

%A _Juri-Stepan Gerasimov_, Feb 08 2009

%E Rephrased definition. Inserted 207. - _R. J. Mathar_, Feb 10 2009

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Last modified April 25 05:56 EDT 2024. Contains 371964 sequences. (Running on oeis4.)