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Search: id:A100656
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A100656 a(n)=1 if a hexagonal number is a prime, otherwise 0. +0
1
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 (list; graph; listen)
OFFSET

0,1
CROSSREFS

Sequence in context: A080908 A131720 A131719 this_sequence A053867 A069513 A092248

Adjacent sequences: A100653 A100654 A100655 this_sequence A100657 A100658 A100659

KEYWORD

easy,nonn

AUTHOR

Giovanni Teofilatto (g.teofilatto(AT)tiscalinet.it), Jan 12 2005

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Last modified November 24 14:25 EST 2009. Contains 167438 sequences.

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