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Search: id:A054566
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| A054566 |
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Prime number spiral (clockwise, South spoke). |
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+0
9
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| 2, 13, 67, 173, 347, 577, 877, 1249, 1697, 2243, 2833, 3541, 4289, 5179, 6131, 7159, 8293, 9473, 10799, 12251, 13709, 15289, 16987, 18749, 20681, 22619, 24671, 26839, 29129, 31541, 33911, 36559, 39217, 41981, 44839, 47903, 50989, 54163, 57347
(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 South, clockwise
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EXAMPLE
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Begin a prime number spiral at shell 0 (prime 2), proceed clockwise, South
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MATHEMATICA
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Table[ Prime[4n^2 - 7n + 4], {n, 1, 40} ]
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CROSSREFS
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Cf. A054567, A054551, A054553, A054555, A054564, A054568, A054570, A053999.
Sequence in context: A137967 A045764 A106999 this_sequence A038144 A097977 A136780
Adjacent sequences: A054563 A054564 A054565 this_sequence A054567 A054568 A054569
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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 Robert G. Wilson v (rgwv(AT)rgwv.com), Feb 25 2002
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