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Search: id:A063523
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%I A063523
%S A063523 0,1,18,67,164,325,566,903,1352,1929,2650,3531,4588,5837,7294,8975,
%T A063523 10896,13073,15522,18259,21300,24661,28358,32407,36824,41625,46826,
%U A063523 52443,58492,64989,71950,79391,87328,95777,104754,114275,124356
%N A063523 n*(8*n^2-5)/3.
%C A063523 Also as a(n)=(1/6)*(16*n^3-10*n), n>0: structured octagonal anti-diamond 
               numbers (vertex structure 17) (Cf. A100187 = alternate vertex; A100188 
               = structured anti-diamonds; A100145 for more on structured numbers). 
               - James A. Record (james.record(AT)gmail.com), Nov. 7, 2004.
%D A063523 T. P. Martin, Shells of atoms, Phys. Reports, 273 (1996), 199-241, eq. 
               (11).
%H A063523 Harry J. Smith, <a href="b063523.txt">Table of n, a(n) for n=0,...,1000</
               a>
%o A063523 (PARI) { for (n=0, 1000, write("b063523.txt", n, " ", n*(8*n^2 - 5)/3) 
               ) } [From Harry J. Smith (hjsmithh(AT)sbcglobal.net), Aug 25 2009]
%Y A063523 1/12*t*(n^3-n)+n for t = 2, 4, 6, ... gives A004006, A006527, A006003, 
               A005900, A004068, A000578, A004126, A000447, A004188, A004466, A004467, 
               A007588, A062025, A063521, A063522, A063523.
%Y A063523 Sequence in context: A044156 A044537 A143859 this_sequence A045234 A158056 
               A135470
%Y A063523 Adjacent sequences: A063520 A063521 A063522 this_sequence A063524 A063525 
               A063526
%K A063523 nonn
%O A063523 0,3
%A A063523 N. J. A. Sloane (njas(AT)research.att.com), Aug 02 2001

    
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Last modified November 27 22:38 EST 2009. Contains 167602 sequences.


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