1,2

Table of n, a(n) for n=1..68.

a(1) is the first nonprime: 1.

a(2) is the second prime: 3.

Sequence in context: A127700 A101907 A242250 * A184410 A184332 A050098

Adjacent sequences: A117665 A117666 A117667 * A117669 A117670 A117671

nonn

Luc Stevens (lms022(AT)yahoo.com), Apr 11 2006

Definition corrected by Michel Marcus, Jun 01 2013

approved