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A154488 a(n+1)-+a(n)=prime, a(0)=1,a(1)=12. 9
1, 12, 17, 20, 23, 30, 37, 42, 47, 50, 53, 56, 75, 82, 85, 88, 91, 102, 109, 114, 119, 122, 129, 134, 137, 140, 143, 150, 157, 160, 171, 176, 183, 190, 193, 196, 201, 208, 211, 222, 227, 230, 233, 246, 253, 256, 267, 274, 297, 302, 305, 308, 311, 330, 343, 348 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

COMMENTS

Sum and difference of any of two consecutive numbers in current sequence are prime numbers : 230-227=3;230+227=457, 233-230=3;233+230=463,...

LINKS

Table of n, a(n) for n=1..56.

MATHEMATICA

a=1; b=12; lst={a, b}; Do[If[PrimeQ[n-b]&&PrimeQ[n+b], AppendTo[lst, n]; a=b; b=n], {n, b+1, 7!}]; lst

CROSSREFS

Cf. A154484, A154485, A154486, A154487

Sequence in context: A064825 A162918 A105018 * A302359 A214514 A188004

Adjacent sequences:  A154485 A154486 A154487 * A154489 A154490 A154491

KEYWORD

nonn

AUTHOR

Vladimir Joseph Stephan Orlovsky, Jan 10 2009

STATUS

approved

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Last modified November 20 02:34 EST 2019. Contains 329323 sequences. (Running on oeis4.)