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Search: id:A063535
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A063535 Primes P[n] such that P[n+1]^2 < P[n]P[n+2]. +0
1
2, 5, 11, 17, 19, 29, 41, 43, 59, 71, 79, 83, 101, 107, 109, 127, 137, 149, 163, 179, 191, 197, 227, 229, 239, 269, 281, 283, 311, 313, 331, 347, 349, 353, 379, 383, 397, 401, 419, 431, 439, 443, 461, 463, 487, 499, 503, 521, 541, 569, 571, 599, 617, 641, 643 (list; graph; listen)
OFFSET

0,1

EXAMPLE

a(2)=5 because 7*7 < 5*11

PROGRAM

(PARI) j=[]; for(n=1, 400, if(prime(n+1)^2<(prime(n)*prime(n+2)), j=concat(j, prime(n)))); j

CROSSREFS

Sequence in context: A132121 A070957 A080165 this_sequence A091653 A136244 A118754

Adjacent sequences: A063532 A063533 A063534 this_sequence A063536 A063537 A063538

KEYWORD

nonn,easy

AUTHOR

Michel ten Voorde (seqfan(AT)tenvoorde.org) Aug 02 2001

EXTENSIONS

More terms from Jason Earls (zevi_35711(AT)yahoo.com), Aug 03 2001

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Last modified July 25 07:41 EDT 2008. Contains 142293 sequences.


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