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Search: id:A054553
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| A054553 |
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Prime number spiral (clockwise, Northeast spoke). |
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+0
9
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| 2, 5, 41, 127, 269, 467, 751, 1093, 1523, 2027, 2621, 3299, 4007, 4861, 5749, 6763, 7867, 9041, 10273, 11719, 13121, 14723, 16319, 18061, 19963, 21851, 23857, 26021, 28289, 30661, 33029, 35531, 38201, 40993, 43759, 46751, 49789, 52957, 56197
(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 Northeast, clockwise.
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EXAMPLE
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Begin a prime number spiral at shell 0 (prime 2), proceed clockwise, Northeast
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MATHEMATICA
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Table[ Prime[4n^2 - 10n + 7], {n, 1, 40} ]
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CROSSREFS
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Cf. A054554, A054551, A054555, A054564, A054566, A054568, A054570, A053999.
Sequence in context: A106885 A072439 A002592 this_sequence A009457 A126469 A054859
Adjacent sequences: A054550 A054551 A054552 this_sequence A054554 A054555 A054556
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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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