1,1

Table of n, a(n) for n=1..44.

23 is a term because 23=prime(9) and concatenation of 23 and 9 is prime

Sequence in context: A176874 A241765 A106956 * A284648 A290187 A243442

Adjacent sequences: A084668 A084669 A084670 * A084672 A084673 A084674

nonn,base

Zak Seidov, Jun 29 2003

Edited by Charles R Greathouse IV, Apr 27 2010

approved