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Search: id:A072573
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| A072573 |
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Odd interprimes not divisible by 3. |
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+0
12
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| 205, 217, 473, 515, 625, 667, 803, 1003, 1207, 1243, 1313, 1465, 1505, 1517, 1537, 1681, 1715, 1795, 1817, 1895, 2075, 2105, 2191, 2303, 2405, 2453, 2585, 2627, 2783, 2933, 3055, 3073, 3175, 3197, 3265, 3337, 3353, 3505, 3565, 3665, 3937, 3995, 4085
(list; graph; listen)
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OFFSET
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1,1
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MATHEMATICA
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a = Table[ Prime[n], {n, 2, 600}]; b = {}; Do[d = (a[[n + 1]] - a[[n]])/2; If[ OddQ[ a[[n]] + d] && Mod[d, 3] == 0, b = Append[b, a[[n]] + d]], {n, 1, 598}]; b
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CROSSREFS
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Cf. A072569, A072572, A024675.
Sequence in context: A163393 A154518 A099105 this_sequence A116177 A042983 A020170
Adjacent sequences: A072570 A072571 A072572 this_sequence A072574 A072575 A072576
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KEYWORD
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nonn
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AUTHOR
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Marco Matosic (marcomatosic(AT)hotmail.com), Jun 25 2002
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EXTENSIONS
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Edited by N. J. A. Sloane (njas(AT)research.att.com) and Robert G. Wilson v (rgwv(AT)rgwv.com), Jun 27 2002
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