1,2

For this sequence, 0 is considered composite.

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

Sequence in context: A247206 A228047 A188543 * A182273 A166016 A213196

Adjacent sequences: A182269 A182270 A182271 * A182273 A182274 A182275

nonn,base

Jim Nastos and Eric Angelini, Apr 22 2012

approved