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A091271 4n^2-11 is a prime. +0
4
2, 4, 5, 9, 10, 14, 16, 19, 21, 24, 26, 31, 35, 39, 40, 45, 59, 60, 65, 74, 79, 80, 86, 91, 100, 105, 109, 114, 115, 116, 119, 124, 126, 129, 130, 131, 135, 136, 145, 149, 150, 151, 159, 170, 171, 175, 179, 180, 185, 186, 189, 194, 199, 205, 206, 210, 219, 221 (list; graph; listen)
OFFSET

0,1

FORMULA

a(n)=A090696(n)/2.

CROSSREFS

A091272 gives primes, A091273 gives prime index.

Sequence in context: A024618 A089221 A113755 this_sequence A063985 A050052 A071349

Adjacent sequences: A091268 A091269 A091270 this_sequence A091272 A091273 A091274

KEYWORD

nonn

AUTHOR

Ray Chandler (rayjchandler(AT)sbcglobal.net), Dec 27 2003

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Last modified August 19 23:53 EDT 2008. Contains 142930 sequences.


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