A134933 - OEIS

%I #4 Mar 30 2012 17:39:27

%S 1,2,3,4,5,6,7,8,9,10,14,15,16,20,21,22,29,30,31,35,36,37,50,51,52,53,

%T 54,55,68,69,70,74,75,76,89,90,91,95,96,97,98,99,100,113,114,115,119,

%U 120,121,134,135,136,140,141,142,155,156,157

%N a(n)=A134930(n)/2.

%C Nearest-neighbors of twin primes, divided by 2.

%F a(n)=A134932(n-1), n>1. [From _R. J. Mathar_, Oct 27 2008]

%e a(11)=14 because A134930(11)=28 and we can write 28/2=14.

%Y Cf. A134930.

%K easy,nonn

%O 1,2

%A _Omar E. Pol_, Nov 22 2007