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A054286 Positions of 0's in the decimal expansion of the Golden Ratio (sqrt(5)+1)/2. 4

%I #16 Jan 18 2018 03:53:51

%S 5,21,40,42,48,66,70,78,84,87,90,107,110,145,146,148,164,177,196,202,

%T 207,216,225,227,233,267,271,274,276,311,316,326,339,359,365,373,384,

%U 385,392,414,419,423,425,426,427,433,449,460,464,489,490,493,498,501,526,532,533,565,571,572,574

%N Positions of 0's in the decimal expansion of the Golden Ratio (sqrt(5)+1)/2.

%C Also: positions of 0's in the decimal expansion of sqrt(5)/2. - _M. F. Hasler_, Jan 17 2018

%H M. F. Hasler, <a href="/A054286/b054286.txt">Table of n, a(n) for n = 1..1020</a> (all terms <= 10^4).

%t Flatten[Position[RealDigits[(Sqrt[5]+1)/2,10,1000][[1]],0]] (* _Harvey P. Dale_, Mar 04 2014 *)

%o (PARI) for(k=0,999,sqrtint(125*100^k)%10||print1(k+2",")) \\ _M. F. Hasler_, Jan 17 2018

%Y Analog for other constants: A054276 (exp(1)), A054296 (sqrt(2)), A054306 (Euler's gamma).

%K nonn,base

%O 1,1

%A _Simon Plouffe_, Feb 20 2000

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Last modified April 27 23:22 EDT 2024. Contains 372020 sequences. (Running on oeis4.)