id:A122157 - OEIS Search Results

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Number of primes between two successive numbers congruent to {2, 4} mod 6.

+0
1

2, 2, 0, 2, 0, 2, 0, 1, 0, 2, 0, 1, 0, 2, 0, 1, 0, 1, 0, 2, 0, 1, 0, 2, 0, 1, 0, 1, 0, 1, 0, 1, 0, 2, 0, 1, 0, 1, 0, 0, 0, 1, 0, 1, 0, 2, 0, 0, 0, 2, 0, 1, 0, 1, 0, 1, 0, 1, 0, 2, 0, 0, 0, 2, 0, 2, 0, 0, 0, 1, 0, 0, 0, 1, 0, 1, 0, 1, 0, 2, 0, 2, 0, 0, 1, 0, 1 (list; graph; listen)

	OFFSET	`1,1`
	COMMENT	`Except for twin primes, there are 2n numbers congruent to {2, 4} mod 6 between two consecutive primes` `a(n) = 2 iff there are twin primes between two numbers congruent to {2, 4} mod 6.`
	CROSSREFS	`Sequence in context: A142242 A050314 A143787 this_sequence A080378 A120439 A104624` `Adjacent sequences: A122154 A122155 A122156 this_sequence A122158 A122159 A122160`
	KEYWORD	`easy,nonn`
	AUTHOR	`Giovanni Teofilatto (g.teofilatto(AT)tiscalinet.it), Oct 29 2006, corrected Nov 01 2006`

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Last modified December 4 23:11 EST 2009. Contains 170347 sequences.

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