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A134075
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Primes of the form floor(Pi*p^2) where p is a prime.
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2
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907, 3019, 5281, 11689, 16741, 33329, 241051, 248063, 382649, 556819, 852757, 1104737, 1372627, 3122771, 3590089, 5482207, 5870659, 6505361, 7059161, 7753579, 8751097, 17452957, 18080497, 18261829, 26184449, 28633609, 30561919, 37544699, 37762223
(list; graph; refs; listen; history; internal format)
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OFFSET
| 1,1
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LINKS
| Charles R Greathouse IV, Table of n, a(n) for n = 1..10000
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EXAMPLE
| 17^2*Pi = 907.920... and 907 is prime.
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PROG
| (PARI) forprime(p=2, 1e4, if(isprime(t=floor(Pi*p^2)), print1(p", "))) \\ Charles R Greathouse IV, Feb 15 2011
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CROSSREFS
| Cf. A134076.
Sequence in context: A174862 A195987 A031939 * A177998 A204613 A204797
Adjacent sequences: A134072 A134073 A134074 * A134076 A134077 A134078
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KEYWORD
| easy,nonn
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AUTHOR
| Enoch Haga (Enokh(AT)comcast.net), Oct 06 2007
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EXTENSIONS
| Edited and corrected by N. J. A. Sloane (njas(AT)research.att.com), Oct 21, 2007
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