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Search: id:A060834
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| 31, 43, 67, 103, 151, 211, 283, 367, 463, 571, 691, 823, 967, 1123, 1291, 1471, 1663, 1867, 2083, 2311, 2551, 2803, 3067, 3343, 3631, 3931, 4243, 4567, 4903, 5251, 5611, 5983, 6367, 6763, 7171, 7591, 8023, 8467, 8923, 9391, 9871, 10363, 10867, 11383
(list; graph; listen)
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OFFSET
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0,1
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COMMENT
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First 29 values are primes.
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REFERENCES
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Donald D. Spencer, Computers in Number Theory, Computer Science Press, Rockville, MD, 1982, pp. 118-119.
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FORMULA
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O.g.f.: -(31-50*x+31*x^2)/(-1+x)^3 . a(n) = A049598(n)+31. - R. J. Mathar (mathar(AT)strw.leidenuniv.nl), Feb 05 2008
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EXAMPLE
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a(29)=4903, prime. a(30)=5251, nonprime.
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CROSSREFS
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Cf. A060844.
Sequence in context: A118637 A096163 A139883 this_sequence A060844 A112789 A016108
Adjacent sequences: A060831 A060832 A060833 this_sequence A060835 A060836 A060837
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KEYWORD
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easy,nonn
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AUTHOR
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Jason Earls (jcearls(AT)cableone.net), May 02 2001
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EXTENSIONS
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More terms from Larry Reeves (larryr(AT)acm.org), May 07 2001
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