%I A019476
%S A019476 2,10,51,261,1336,6839,35009,179212,917391,4696149,24039712,
%T A019476 123059927,629947049,3224715748,16507405935,84501851325,
%U A019476 432567231064,2214323194775,11335179502289,58025086244092
%N A019476 a(n) = 5*a(n-1) + a(n-2) - 2*a(n-3).
%D A019476 R. K. Guy, personal communication.
%F A019476 O.g.f.: (2-x^2)/(1-5x-x^2+2x^3). [From R. J. Mathar (mathar(AT)strw.leidenuniv.nl), 
               Aug 22 2008]
%Y A019476 Sequence in context: A128449 A037514 A037717 this_sequence A019475 A020042 
               A075436
%Y A019476 Adjacent sequences: A019473 A019474 A019475 this_sequence A019477 A019478 
               A019479
%K A019476 nonn
%O A019476 0,1
%A A019476 N. J. A. Sloane (njas(AT)research.att.com).