A005871 - OEIS

%I M0007 #14 Sep 23 2016 22:49:48

%S 0,0,0,2,0,0,0,0,0,4,0,0,0,0,0,4,0,0,0,0,0,8,0,0,0,0,0,6,0,0,0,0,0,2,

%T 0,4,0,0,0,8,0,4,0,0,0,4,0,0,0,0,0,4,0,8,0,0,0,10,0,4,0,0,0,4,0,0,0,0,

%U 0,4,0,8,0,2,0,6,0,0,0,4,0,6,0,0,0,4,0,4,0,8,0,4,0,4,0,8,0,2,0,8,0,0,0,4,0,4,0,4,0,4,0,8,0,4,0,4,0,8,0,0,0,6,0,0,0,8,0,0,0,6,0,4,0,4,0,4

%N Theta series of hexagonal close-packing with respect to edge within layer.

%D N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, Academic Press, 1995 (includes this sequence).

%D N. J. A. Sloane and B. K. Teo, Theta series and magic numbers for close-packed spherical clusters, J. Chem. Phys. 83 (1985) 6520-6534.

%H Sean A. Irvine, <a href="/A005871/b005871.txt">Table of n, a(n) for n = 0..999</a>

%K easy,nonn

%O 0,4

%A _N. J. A. Sloane_.

%E More terms from _Sean A. Irvine_, Sep 23 2016