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Search: id:A054564
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| A054564 |
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Prime number spiral (clockwise, Southeast spoke). |
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+0
8
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| 2, 11, 59, 157, 313, 547, 829, 1201, 1621, 2153, 2749, 3463, 4217, 5059, 6011, 7001, 8167, 9343, 10631, 12071, 13513, 15107, 16759, 18481, 20399, 22343, 24371, 26591, 28807, 31231, 33617, 36229, 38891, 41647, 44501, 47533, 50549, 53759, 56957
(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 Southeast, clockwise
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EXAMPLE
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Begin a prime number spiral at shell 0 (prime 2), proceed clockwise, Southeast
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MATHEMATICA
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Table[ Prime[4n^2 + 1], {n, 0, 40} ]
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CROSSREFS
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Cf. A053755, A054551, A054553, A054555, A054566, A054568, A054570, A053999.
Sequence in context: A162771 A020057 A140547 this_sequence A139172 A164034 A074615
Adjacent sequences: A054561 A054562 A054563 this_sequence A054565 A054566 A054567
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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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