%I A120556
%S A120556 2,0,0,16,2,0,76,32,14,308,208,76,1066,1068,342,3296,4718,1148,
%T A120556 9210,18360,2916,22240,67768,3068,43602,224552,26236,39276,745788,
%U A120556 190484,155664,2127756,1279618,1371720,6320170,4921464,5606788
%V A120556 2,0,0,16,2,0,76,32,-14,308,208,-76,1066,1068,-342,3296,4718,-1148,
%W A120556 9210,18360,-2916,22240,67768,-3068,43602,224552,26236,39276,745788,
%X A120556 190484,-155664,2127756,1279618,-1371720,6320170,4921464,-5606788
%N A120556 Bond series for first perpendicular moment of 4.8 (bathroom tile) lattice.
%H A120556 I. Jensen, <a href="b120556.txt">Table of n, a(n) for n = 0..254</a> 
               [from link below]
%H A120556 I. Jensen, <a href="http://www.ms.unimelb.edu.au/~iwan/dirperc/series/
               4_8bond_x2.ser">More terms</a>
%Y A120556 Sequence in context: A000171 A054922 A061848 this_sequence A120560 A158465 
               A003193
%Y A120556 Adjacent sequences: A120553 A120554 A120555 this_sequence A120557 A120558 
               A120559
%K A120556 sign
%O A120556 1,1
%A A120556 N. J. A. Sloane (njas(AT)research.att.com), Aug 09 2006