0,4

Lim n -> infinity a(n)/a(n-1) = Phi / C = 2.31651242917313... where Phi is the golden ratio and C the positive root of x^4+x^3+-2x^2-2x-1 (C=0.6984784404...) - Benoit Cloitre (benoit7848c(AT)orange.fr), Aug 13 2002

Sequence in context: A007902 A057417 A000968 this_sequence A085748 A052806 A110198

Adjacent sequences: A005905 A005906 A005907 this_sequence A005909 A005910 A005911

nonn

N. J. A. Sloane (njas(AT)research.att.com).