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A154548 Averages of twin prime pairs of A154546. 0
60, 72, 180, 282, 312, 420, 432, 462, 570, 642, 810, 1062, 1452, 1620, 2130, 2592, 3252, 3360, 3540, 4050, 4650, 4800, 5640, 5742, 5850, 6090, 6360, 6552, 6792, 7332, 7350, 7560, 7590, 8292, 9042, 9462, 10140, 10530, 10860, 11070, 11172, 11940 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Table of n, a(n) for n=1..42.

MATHEMATICA

lst={}; Do[If[PrimeQ[p=81*n^2-72*n+17], If[PrimeQ[n-1]&&PrimeQ[n+1], AppendTo[lst, n]]], {n, 0, 8!}]; lst

CROSSREFS

Cf. A154276, A154546, A154547

Sequence in context: A347938 A114837 A328149 * A244384 A290018 A323979

Adjacent sequences:  A154545 A154546 A154547 * A154549 A154550 A154551

KEYWORD

nonn

AUTHOR

Vladimir Joseph Stephan Orlovsky, Jan 11 2009

STATUS

approved

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Last modified September 25 11:28 EDT 2022. Contains 356984 sequences. (Running on oeis4.)