1,2

Nearest-neighbors of twin primes, divided by 2.

Table of n, a(n) for n=1..58.

a(n)=A134932(n-1), n>1. [From R. J. Mathar, Oct 27 2008]

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

Cf. A134930.

Sequence in context: A050726 A108155 A134932 * A136040 A306014 A271838

Adjacent sequences: A134930 A134931 A134932 * A134934 A134935 A134936

easy,nonn

Omar E. Pol, Nov 22 2007

approved