A100656 - OEIS

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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 (list; graph; refs; listen; history; internal format)

	OFFSET	`0,1`
	CROSSREFS	`Sequence in context: A080908 A131720 A131719 * A053867 A069513 A092248` `Adjacent sequences: A100653 A100654 A100655 * A100657 A100658 A100659`
	KEYWORD	`easy,nonn`
	AUTHOR	`Giovanni Teofilatto (g.teofilatto(AT)tiscalinet.it), Jan 12 2005`

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Last modified February 16 16:51 EST 2012. Contains 205938 sequences.