A100656 a(n)=1 if a hexagonal number is a prime, otherwise 0.

0, 1, 1, 1, 1, 0, 1, 0, 0, 1, 1, 1, 0, 1, 1, 0, 0, 1, 0, 0, 0, 0, 0, 1, 1, 1, 0, 1

Offset

0,1

Links

Table of n, a(n) for n=0..27.

Crossrefs

Sequence in context: A131719 A342460 A381101 * A285274 A189081 A296084

Adjacent sequences: A100653 A100654 A100655 * A100657 A100658 A100659

Keyword

easy,nonn

Author

Giovanni Teofilatto, Jan 12 2005

Status

approved