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%I A054551
%S A054551 2,3,31,107,241,443,709,1049,1471,1973,2539,3191,3911,4729,5651,6637,
%T A054551 7699,8867,10133,11503,12941,14537,16073,17863,19727,21601,23609,25759,
%U A054551 27967,30319,32719,35201,37831,40627,43391,46399,49411,52553,55813
%N A054551 Prime number spiral (clockwise, North spoke).
%C A054551 Smallest prime in n-th shell of prime spiral.
%C A054551 Shell 1 comprises the primes 3 5 7 11 13 17 19 23; 3 is lowest, 23 is 
               highest.
%C A054551 The wheel may be rotated, but the sequences though pointing in different 
               directions, will remain the same.
%H A054551 Hermetic Systems, <a href="http://www.hermetic.ch/pns/pns.htm">Prime 
               Number Spiral</a>.
%F A054551 8-spoke wheel overlays prime number spiral; hub is 2 in shell 0; 8 spokes 
               radiate from this hub; this is North, clockwise.
%e A054551 Begin a prime number spiral at zero, proceed clockwise, North
%t A054551 Table[ Prime[4n^2 - 3n + 1], {n, 0, 40} ]
%Y A054551 Cf. A054552, A054553, A054555, A054564, A054566, A054568, A054570, A053999.
%Y A054551 Sequence in context: A110456 A128348 A029973 this_sequence A049065 A128030 
               A004843
%Y A054551 Adjacent sequences: A054548 A054549 A054550 this_sequence A054552 A054553 
               A054554
%K A054551 easy,nonn
%O A054551 0,1
%A A054551 Enoch Haga (Enokh(AT)comcast.net) and G. L. Honaker, Jr. (honak3r(AT)gmail.com) 
               Apr 09 2000
%E A054551 Edited by Robert G. Wilson v (rgwv(AT)rgwv.com), Feb 25 2002

    
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Last modified December 20 16:54 EST 2009. Contains 171081 sequences.


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