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A182391 Numbers n for which A104272(n) = A080359(n). 1

%I #8 Apr 30 2012 12:44:05

%S 1,9,11,18,22,23,25,30,32,34,35,37,38,41,46,47,48,49,52,53,54,63,64,

%T 66,70,75,76,79,80,82,84,94,98,99,101,102,105,108,109,110,113,114,115,

%U 124,127,128,131,135,136,139,140,148,149,150,151,154,156,158,160

%N Numbers n for which A104272(n) = A080359(n).

%C Number m is in the sequence iff 1) there exists only composite number k such that 2*k-1 is prime and A060715(k)=m; 2) there is no prime p such that 2*p-1 is prime and A060715(p)=m-1.

%F A194217(n)=0.

%Y Cf. A104272, A080359, A164554, A193507, A194184, A194186, A194217, A182366.

%K nonn

%O 1,2

%A _Vladimir Shevelev_, Apr 27 2012

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Last modified April 16 16:13 EDT 2024. Contains 371749 sequences. (Running on oeis4.)