%I A063490
%S A063490 1,10,40,105,219,396,650,995,1445,2014,2716,3565,4575,5760,7134,
%T A063490 8711,10505,12530,14800,17329,20131,23220,26610,30315,34349,38726,
%U A063490 43460,48565,54055,59944,66246,72975,80145,87770,95864,104441,113515
%N A063490 (2*n-1)*(7*n^2-7*n+6)/6.
%D A063490 T. P. Martin, Shells of atoms, Phys. Reports, 273 (1996), 199-241, eq. 
               (10).
%H A063490 Harry J. Smith, <a href="b063490.txt">Table of n, a(n) for n=1,...,1000</
               a>
%o A063490 (PARI) { for (n=1, 1000, write("b063490.txt", n, " ", (2*n - 1)*(7*n^2 
               - 7*n + 6)/6) ) } [From Harry J. Smith (hjsmithh(AT)sbcglobal.net), 
               Aug 23 2009]
%Y A063490 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 A063490 Sequence in context: A033583 A131037 A071233 this_sequence A002419 A027981 
               A013977
%Y A063490 Adjacent sequences: A063487 A063488 A063489 this_sequence A063491 A063492 
               A063493
%K A063490 nonn
%O A063490 1,2
%A A063490 N. J. A. Sloane (njas(AT)research.att.com), Aug 01 2001