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Fibonacci numbers in base 1.
3

%I #19 Apr 06 2013 18:43:47

%S 1,11,111,11111,11111111,1111111111111,111111111111111111111,

%T 1111111111111111111111111111111111,

%U 1111111111111111111111111111111111111111111111111111111

%N Fibonacci numbers in base 1.

%F a(n+2) = concat( a(n+1), a(n) ), a(0) = 1, a(1) = 11. - corrected by _Jason Kimberley_, Dec 17 2012

%t FromDigits[Table[1,{#}]]&/@Fibonacci[Range[2,10]] (* _Harvey P. Dale_, Apr 06 2013 *)

%Y Cf. A108047, A131293.

%K nonn,easy,base

%O 0,2

%A _N. J. A. Sloane_, Feb 27 2000

%E More terms from _James A. Sellers_, Mar 01 2000