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%I #19 Jun 16 2018 22:24:48
%S 2308,10830,119485,1325165,14696300,100729939,1117112142,12388963501,
%T 137395710653,1523741780684,10443881535043,115824421096014,
%U 1284512513591197,14245462070599181,157984595290182188,1082842525215598387,12008907626959811406,133180826421773523853
%N Smallest Brady number with n digits.
%C If n > 4, 1 < a(n)/10^(n-1) < phi. Successive records are at n = 5, 6, 7, 8, 13, 18, 32, 46, 60, 74, 181, 14807, 29433, 44059, 58685, 1223375, .... - _Charles R Greathouse IV_, Jan 20 2016
%H Brady Haran and Matt Parker, <a href="https://www.youtube.com/watch?v=D8ntDpBm6Ok"> Brady Numbers</a>, Numberphile video (2014)
%o (PARI) A247698(n)=([1,1;1,0]^n*[1953;355])[1,1]
%o a(n)=if(n<5,return(2308)); my(k=log(10^n/15720)\log((1+sqrt(5))/2),t); while(#Str(t=A247698(k))<n, k++); t \\ _Charles R Greathouse IV_, Jan 20 2016
%Y Cf. A247698.
%K nonn,base,easy
%O 4,1
%A _Tim Duffy_, Sep 24 2014
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