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Search: id:A154486
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| A154486 |
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a(n+1)-+a(n)=prime, a(0)=0,a(1)=5. |
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+0
12
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| 0, 5, 8, 11, 18, 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; listen)
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OFFSET
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1,2
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COMMENT
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Sum and difference of any of two consecutive numbers in current sequence are prime numbers : 8-5=3;8+5=13, 11-8=3;11+8=19, 18-11=7;18+11=29,...
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MATHEMATICA
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a=0; b=5; lst={a, b}; Do[If[PrimeQ[n-b]&&PrimeQ[n+b], AppendTo[lst, n]; a=b; b=n], {n, b+1, 7!}]; lst
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CROSSREFS
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Cf. A154484, A154485
Sequence in context: A162939 A056955 A023381 this_sequence A162612 A133522 A133269
Adjacent sequences: A154483 A154484 A154485 this_sequence A154487 A154488 A154489
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KEYWORD
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nonn
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AUTHOR
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Vladimir Orlovsky (4vladimir(AT)gmail.com), Jan 10 2009
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