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A127340 Primes in A127338. 5
233, 271, 311, 353, 443, 491, 631, 677, 883, 1367, 1423, 1483, 1543, 1607, 1787, 1901, 1951, 2011, 2141, 2203, 2383, 3253, 3469, 3541, 3617, 3691, 3967, 4159, 4229, 4297, 4943, 5009, 5483, 5657, 5741, 5903, 5981, 6553, 6871, 6991, 7057, 7121, 7187, 7873 (list; graph; refs; listen; history; internal format)
OFFSET

1,1

COMMENTS

Primes that are the sum of 11 consecutive primes.

A prime number n is in the sequence if for some k it is the absolute value of coefficient of x^10 of the polynomial Prod_{j=0,10}(x-prime(k+j)); the roots of this polynomial are prime(k), ..., prime(k+10).

MATHEMATICA

a = {}; Do[If[PrimeQ[Sum[Prime[x + n], {n, 0, 10}]], AppendTo[a, Sum[Prime[x + n], {n, 0, 10}]]], {x, 1, 500}]; a

PROG

(PARI) 1. {m=125; k=11; for(n=0, m-1, a=sum(j=1, k, prime(n+j)); if(isprime(a), print1(a, ", ")))} 2. {m=126; k=11; for(n=1, m, a=abs(polcoeff(prod(j=0, k-1, (x-prime(n+j))), k-1)); if(isprime(a), print1(a, ", ")))} - Klaus Brockhaus, Jan 13 2007

CROSSREFS

Cf. A127338, A034962, A034965, A082246, A082251, A127341.

Sequence in context: A132917 A139652 A126979 * A140033 A142182 A105981

Adjacent sequences:  A127337 A127338 A127339 * A127341 A127342 A127343

KEYWORD

nonn

AUTHOR

Artur Jasinski (grafix(AT)csl.pl), Jan 11 2007

EXTENSIONS

Edited by Klaus Brockhaus (klaus-brockhaus(AT)t-online.de), Jan 13 2007

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Last modified February 14 16:19 EST 2012. Contains 205635 sequences.