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A045472
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Primes congruent to {1, 6} mod 7.
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4
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13, 29, 41, 43, 71, 83, 97, 113, 127, 139, 167, 181, 197, 211, 223, 239, 251, 281, 293, 307, 337, 349, 379, 419, 421, 433, 449, 461, 463, 491, 503, 547, 587, 601, 617, 631, 643, 659, 673, 701, 727, 743, 757, 769
(list; graph; refs; listen; history; internal format)
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OFFSET
| 1,1
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COMMENTS
| Appears to be the primes p such that p^4 mod 210 =1. [From Gary Detlefs, Dec 29 2011]
Primes in A047336, alo in A113801. [Reinhard Zumkeller, Jan 07 2012]
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LINKS
| Reinhard Zumkeller, Table of n, a(n) for n = 1..10000
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MAPLE
| for n from 1 to 800 do if(isprime(n)) and (n^4 mod 210 =1) then print(n) fi od. [From Gary Detlefs, Dec 29 2011]
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PROG
| (Haskell)
a045472 n = a045472_list !! (n-1)
a045472_list = [x | x <- a047336_list, a010051 x == 1]
-- Reinhard Zumkeller, Jan 07 2012
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CROSSREFS
| Cf. A010051.
Sequence in context: A160026 A141555 A036974 * A141293 A120827 A044074
Adjacent sequences: A045469 A045470 A045471 * A045473 A045474 A045475
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KEYWORD
| nonn
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AUTHOR
| N. J. A. Sloane (njas(AT)research.att.com).
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