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A185660 Numbers n such that (n^3 + 11*n) +/-1 is a twin prime pair. 2
1, 2, 3, 4, 5, 6, 7, 8, 9, 11, 13, 15, 16, 17, 20, 22, 37, 44, 46, 48, 52, 57, 61, 63, 68, 69, 70, 72, 81, 84, 86, 94, 96, 99, 101, 106, 108, 112, 117, 123, 124, 134, 138, 162, 178, 189, 191, 193, 200, 202, 206, 223, 224, 229, 260, 264, 271, 279, 282, 294, 297 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

LINKS

G. C. Greubel, Table of n, a(n) for n = 1..5000

Prime curio for 829

EXAMPLE

For n=9 the a(9) equals the twin prime pair {827, 829}.

MATHEMATICA

Select[Range[300], PrimeQ[#^3 + 11# - 1] && PrimeQ[#^3 + 11# + 1] &]

Select[Range[300], AllTrue[#^3+11#+{1, -1}, PrimeQ]&] (* The program uses the AllTrue function from Mathematica version 10 *) (* Harvey P. Dale, Nov 28 2014 *)

CROSSREFS

Cf. A000040, A001097.

Sequence in context: A133810 A176615 A291453 * A191839 A032959 A275945

Adjacent sequences:  A185657 A185658 A185659 * A185661 A185662 A185663

KEYWORD

nonn

AUTHOR

G. L. Honaker, Jr., Feb 08 2011;  Proposed by Steve Homewood

STATUS

approved

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Last modified August 25 13:50 EDT 2019. Contains 326324 sequences. (Running on oeis4.)