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A154733 Integers of the form k=n^3+n^2, such that k-+1 are primes. 0
12, 150, 810, 1452, 1872, 18252, 87120, 106032, 242172, 333270, 362952, 712890, 1968750, 2763600, 3198132, 5767380, 10551420, 16451580, 18469440, 23230350, 25498620, 30468672, 31955502, 34752252, 39768102, 40825920, 56770560 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

2^3+2^2=12-+1=primes,...

LINKS

Table of n, a(n) for n=1..27.

MATHEMATICA

lst={}; Do[k=n^3+n^2; If[PrimeQ[k-1]&&PrimeQ[k+1], AppendTo[lst, k]], {n, 8!}]; lst

CROSSREFS

Cf. A111503, A154731, A154732

Sequence in context: A114106 A015610 A141326 * A305544 A056351 A056345

Adjacent sequences:  A154730 A154731 A154732 * A154734 A154735 A154736

KEYWORD

nonn

AUTHOR

Vladimir Joseph Stephan Orlovsky, Jan 14 2009

STATUS

approved

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Last modified September 20 03:32 EDT 2019. Contains 327209 sequences. (Running on oeis4.)