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A156828
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a(1) = 2. a(n) = the smallest prime >= a(n-1) + 4.
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2
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2, 7, 11, 17, 23, 29, 37, 41, 47, 53, 59, 67, 71, 79, 83, 89, 97, 101, 107, 113, 127, 131, 137, 149, 157, 163, 167, 173, 179, 191, 197, 211, 223, 227, 233, 239, 251, 257, 263, 269, 277, 281, 293, 307, 311, 317, 331, 337, 347, 353, 359, 367, 373, 379, 383, 389
(list; graph; refs; listen; history; internal format)
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OFFSET
| 1,1
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COMMENTS
| Apparently a(n) = A025584(n) for all n>2. Verified for indices n<=100000. [From R. J. Mathar (mathar(AT)strw.leidenuniv.nl), Mar 01 2010]
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MAPLE
| p := 2: for n from 1 to 100 do printf("%d, ", p) ; p := nextprime(p+3) ; od: [From R. J. Mathar (mathar(AT)strw.leidenuniv.nl), Feb 21 2009]
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CROSSREFS
| A156829
Sequence in context: A038942 A175283 A124136 * A019385 A075552 A124854
Adjacent sequences: A156825 A156826 A156827 * A156829 A156830 A156831
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KEYWORD
| nonn
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AUTHOR
| Leroy Quet, Feb 16 2009
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EXTENSIONS
| More terms from R. J. Mathar (mathar(AT)strw.leidenuniv.nl), Feb 21 2009
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