%I A006279 M0914
%S A006279 1,1,2,3,14,129,25298,420984147,269425140741515486,
%T A006279 47749585090209528873482531562977121
%N A006279 Convergents to Cahen's constant: a(n+2) = a(n)^2*a(n+1) + a(n).
%D A006279 J. L. Davison, J. O. Shallit, Continued Fractions for Some Alternating 
               Series, Monatsh. Math., 111 (1991), 119-126.
%D A006279 N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, 
               Academic Press, 1995 (includes this sequence).
%p A006279 A006279 := proc(n) options remember; if n <= 1 then RETURN(1) else A006279(n-2)^2*A006279(n-1)+A006279(n-2); 
               fi; end;
%Y A006279 Cf. A006280, A006281.
%Y A006279 Sequence in context: A064184 A154750 A041167 this_sequence A041521 A101003 
               A042071
%Y A006279 Adjacent sequences: A006276 A006277 A006278 this_sequence A006280 A006281 
               A006282
%K A006279 nonn,easy
%O A006279 0,3
%A A006279 N. J. A. Sloane (njas(AT)research.att.com).