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A154496 a(n+1)-+a(n)=prime, a(n+1)*a(n)=Average of twin prime pairs, a(0)=3,a(1)=10. 5
3, 10, 27, 74, 3093, 3104, 3417, 3580, 3597, 3614, 5907, 5960, 6651, 6962, 9045, 9098, 10479, 10708, 13299, 13382, 14055, 14438, 15099, 16082, 16101, 16112, 16521, 16982, 17505, 19328, 19605, 20062, 22131, 22840, 23013, 23036, 23265, 23422 (list; graph; refs; listen; history; internal format)
OFFSET

1,1

COMMENTS

Sum and difference of any of two consecutive numbers in current sequence are prime numbers and multiplication and any two consecutive numbers is Average of twin prime pairs : 10-3=7;10+3=13;10*3=30, ...

MATHEMATICA

a=3; b=10; lst={a, b}; Do[If[PrimeQ[n-b]&&PrimeQ[n+b]&&PrimeQ[n*b-1]&&PrimeQ[n*b+1], AppendTo[lst, n]; a=b; b=n], {n, b+1, 9!}]; lst

CROSSREFS

Cf. A154484, A154485, A154486, A154487, A154488, A154493, A154494, A154495

Sequence in context: A085948 A000471 A000501 * A027251 A127912 A005956

Adjacent sequences:  A154493 A154494 A154495 * A154497 A154498 A154499

KEYWORD

nonn

AUTHOR

Vladimir Orlovsky (4vladimir(AT)gmail.com), Jan 10 2009

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Last modified February 14 20:38 EST 2012. Contains 205663 sequences.