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A131578 Numbers n such that p(n)^2-p(n)-1 and p(n)^2-p(n)+1 are twin primes with p(i)=i-th prime. +0
1
2, 4, 19, 34, 75, 88, 197, 221, 244, 247, 272, 278, 322, 375, 383, 399, 560, 573, 604, 618, 690, 741, 834, 1135, 1193, 1212, 1228, 1272, 1382, 1401, 1490, 1524, 1585, 1589, 1779, 1989 (list; graph; listen)
OFFSET

1,1

CROSSREFS

Sequence in context: A009508 A009418 A056727 this_sequence A018273 A047092 A064228

Adjacent sequences: A131575 A131576 A131577 this_sequence A131579 A131580 A131581

KEYWORD

nonn

AUTHOR

Pierre CAMI (pierrecami(AT)tele2.fr), Aug 29 2007

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Last modified July 23 17:35 EDT 2008. Contains 142285 sequences.


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