Search: id:A063489
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%I A063489
%S A063489 1,8,30,77,159,286,468,715,1037,1444,1946,2553,3275,4122,5104,6231,
%T A063489 7513,8960,10582,12389,14391,16598,19020,21667,24549,27676,31058,
%U A063489 34705,38627,42834,47336,52143,57265,62712,68494,74621,81103,87950
%N A063489 (2*n-1)*(5*n^2-5*n+6)/6.
%D A063489 T. P. Martin, Shells of atoms, Phys. Reports, 273 (1996), 199-241, eq. 
               (10).
%H A063489 Harry J. Smith, <a href="b063489.txt">Table of n, a(n) for n=1,...,1000</
               a>
%o A063489 (PARI) { for (n=1, 1000, write("b063489.txt", n, " ", (2*n - 1)*(5*n^2 
               - 5*n + 6)/6) ) } [From Harry J. Smith (hjsmithh(AT)sbcglobal.net), 
               Aug 23 2009]
%Y A063489 1/12*t*(2*n^3-3*n^2+n)+2*n-1 for t = 2, 4, 6, ... gives A049480, A005894, 
               A063488, A001845, A063489, A005898, A063490, A057813, A063491, A005902, 
               A063492, A005917, A063493, A063494, A063495, A063496.
%Y A063489 Sequence in context: A131769 A055832 A100175 this_sequence A002417 A126858 
               A113751
%Y A063489 Adjacent sequences: A063486 A063487 A063488 this_sequence A063490 A063491 
               A063492
%K A063489 nonn
%O A063489 1,2
%A A063489 N. J. A. Sloane (njas(AT)research.att.com), Aug 01 2001

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