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A090405 PrimePi[n+2]-PrimePi[n]. 1
2, 1, 1, 1, 1, 1, 0, 0, 1, 1, 1, 1, 0, 0, 1, 1, 1, 1, 0, 0, 1, 1, 0, 0, 0, 0, 1, 1, 1, 1, 0, 0, 0, 0, 1, 1, 0, 0, 1, 1, 1, 1, 0, 0, 1, 1, 0, 0, 0, 0, 1, 1, 0, 0, 0, 0, 1, 1, 1, 1, 0, 0, 0, 0, 1, 1, 0, 0, 1, 1, 1, 1, 0, 0, 0, 0, 1, 1, 0, 0, 1, 1, 0, 0, 0, 0, 1, 1, 0, 0, 0, 0, 0, 0, 1, 1, 0, 0, 1, 1, 1, 1 (list; graph; refs; listen; history; internal format)
OFFSET

1,1

LINKS

Eric Weisstein's World of Mathematics, Hardy-Littlewood Conjectures

CROSSREFS

Cf. A080545, A090406.

Sequence in context: A086075 A056978 A037819 * A168509 A079635 A037909

Adjacent sequences:  A090402 A090403 A090404 * A090406 A090407 A090408

KEYWORD

nonn

AUTHOR

Eric Weisstein (eric(AT)weisstein.com), Nov 29, 2003

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Last modified February 14 17:44 EST 2012. Contains 205651 sequences.