%I A063491
%S A063491 1,12,50,133,279,506,832,1275,1853,2584,3486,4577,5875,7398,9164,
%T A063491 11191,13497,16100,19018,22269,25871,29842,34200,38963,44149,49776,
%U A063491 55862,62425,69483,77054,85156,93807,103025,112828,123234,134261
%N A063491 (2*n-1)*(3*n^2-3*n+2)/2.
%D A063491 T. A. Gulliver, Sequences from Arrays of Integers, Int. Math. Journal, 
               Vol. 1, No. 4, pp. 323-332, 2002.
%D A063491 T. P. Martin, Shells of atoms, Phys. Reports, 273 (1996), 199-241, eq. 
               (10).
%H A063491 Harry J. Smith, <a href="b063491.txt">Table of n, a(n) for n=1,...,1000</
               a>
%o A063491 (PARI) { for (n=1, 1000, write("b063491.txt", n, " ", (2*n - 1)*(3*n^2 
               - 3*n + 2)/2) ) } [From Harry J. Smith (hjsmithh(AT)sbcglobal.net), 
               Aug 23 2009]
%Y A063491 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 A063491 Sequence in context: A009934 A009927 A009938 this_sequence A083559 A051797 
               A145886
%Y A063491 Adjacent sequences: A063488 A063489 A063490 this_sequence A063492 A063493 
               A063494
%K A063491 nonn
%O A063491 1,2
%A A063491 N. J. A. Sloane (njas(AT)research.att.com), Aug 01 2001