id:A131695 - OEIS Search Results

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a(n) = 1 iff 2prime(n+1) = prime(n) + prime(n+2), otherwise a(n) = 0.

+0
1

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

	OFFSET	`1,1`
	EXAMPLE	`Decimal expansion: 1.0111111111110111...`
	CROSSREFS	`Cf. A001223.` `Adjacent sequences: A131692 A131693 A131694 this_sequence A131696 A131697 A131698` `Sequence in context: A072418 A128973 A013596 this_sequence A105812 A134323 A060576`
	KEYWORD	`cons,nonn`
	AUTHOR	`Giovanni Teofilatto (g.teofilatto(AT)tiscalinet.it), Sep 15 2007`

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Last modified May 16 01:24 EDT 2008. Contains 139630 sequences.