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Search: id:A054570
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| A054570 |
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Prime number spiral (clockwise, West spoke). |
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+0
8
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| 2, 19, 83, 199, 389, 641, 967, 1361, 1823, 2377, 3001, 3709, 4517, 5419, 6353, 7477, 8623, 9791, 11159, 12577, 14083, 15667, 17417, 19273, 21149, 23063, 25229, 27431, 29683, 32183, 34543, 37171, 39877, 42641, 45599, 48673, 51719, 54973, 58171
(list; graph; listen)
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OFFSET
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0,1
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FORMULA
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8-spoke wheel overlays prime number spiral; hub is 2 in shell 0; 8 spokes radiate from this hub; this is West, clockwise
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EXAMPLE
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Begin a prime number spiral at shell 0 (prime 2), proceed clockwise, West
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MATHEMATICA
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Table[ Prime[4n^2 + 3n + 1], {n, 0, 40} ]
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CROSSREFS
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Cf. A033951, A054551, A054553, A054555, A054564, A054566, A054570, A053999.
Sequence in context: A054209 A057326 A129446 this_sequence A135436 A056005 A034572
Adjacent sequences: A054567 A054568 A054569 this_sequence A054571 A054572 A054573
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KEYWORD
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easy,nonn
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AUTHOR
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Enoch Haga (Enokh(AT)comcast.net ) and G. L. Honaker, Jr. (honak3r(AT)gmail.com), Apr 10 2000
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EXTENSIONS
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Edited by Frank Ellermann, Feb 24 2002
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