1,2

Similar to A169748, but now B = 2,3,5,7,... (the primes).

Table of n, a(n) for n=1..67.

Sequence in context: A274632 A186706 A169749 * A249558 A072007 A078783

Adjacent sequences: A169747 A169748 A169749 * A169751 A169752 A169753

nonn

Rodolfo Kurchan, Apr 08 2010

Corrected and extended by D. S. McNeil, May 09 2010

approved