Search: id:A004294
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%I A004294
%S A004294 1,36,1224,41580,1412496,47983284,1630019160,55372668156,
%T A004294 1881040698144,63900011068740,2170719335639016,73740557400657804,
%U A004294 2505008232286726320,85096539340348037076,2890777329339546534264
%N A004294 Expansion of (1+2*x+x^2)/(1-34*x+x^2).
%D A004294 J. M. Alonso, Growth functions of amalgams, in Alperin, ed., Arboreal 
               Group Theory, Springer, pp. 1-34, esp. p. 32.
%D A004294 P. de la Harpe, Topics in Geometric Group Theory, Univ. Chicago Press, 
               2000, p. 160, middle display.
%Y A004294 Pairwise sums of A046176.
%Y A004294 Sequence in context: A000809 A151584 A103278 this_sequence A075760 A113938 
               A001110
%Y A004294 Adjacent sequences: A004291 A004292 A004293 this_sequence A004295 A004296 
               A004297
%K A004294 nonn
%O A004294 0,2
%A A004294 N. J. A. Sloane (njas(AT)research.att.com).

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