id:A080545 - OEIS Search Results

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Characteristic function of {1} union {odd primes}: 1 if n is 1 or an odd prime, else 0.

+0
4

1, 1, 0, 1, 0, 1, 0, 0, 0, 1, 0, 1, 0, 0, 0, 1, 0, 1, 0, 0, 0, 1, 0, 0, 0, 0, 0, 1, 0, 1, 0, 0, 0, 0, 0, 1, 0, 0, 0, 1, 0, 1, 0, 0, 0, 1, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 1, 0, 1, 0, 0, 0, 0, 0, 1, 0, 0, 0, 1, 0, 1, 0, 0, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 1, 0, 1, 0 (list; graph; listen)

	OFFSET	`1,1`
	CROSSREFS	`Cf. A010051, A080355, A080339, A080567.` `Sequence in context: A033778 A055088 A068427 this_sequence A141735 A073097 A117569` `Adjacent sequences: A080542 A080543 A080544 this_sequence A080546 A080547 A080548`
	KEYWORD	`nonn`
	AUTHOR	`njas, Mar 21 2003`

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Last modified September 7 23:08 EDT 2008. Contains 143486 sequences.

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