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A089166 Number of primes between squares of successive odd numbers. +0
1
4, 5, 6, 7, 8, 9, 9, 13, 11, 13, 14, 15, 15, 17, 16, 19, 19, 19, 21, 23, 20, 23, 23, 28, 21, 31, 25, 23, 30, 32, 30, 29, 31, 32, 34, 30, 34, 40, 32, 36, 39, 37, 37, 40, 38, 39, 44, 42, 45, 44, 42, 42, 45, 42, 48, 52, 49, 45, 50, 48, 51, 55, 56, 47, 52, 56, 56, 53, 49, 58, 62, 56 (list; graph; listen)
OFFSET

1,1

LINKS

Mark Underwood, [PrimeNumbers] pi(x).

MATHEMATICA

Table[PrimePi[(2n + 1)^2] - PrimePi[(2n - 1)^2], {n, 1, 72}]

CROSSREFS

Sequence in context: A121855 A090925 A143836 this_sequence A030543 A114143 A020705

Adjacent sequences: A089163 A089164 A089165 this_sequence A089167 A089168 A089169

KEYWORD

nonn

AUTHOR

Robert G. Wilson v (rgwv(AT)rgwv.com), Dec 06 2003

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Last modified November 29 12:46 EST 2009. Contains 167659 sequences.


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