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Primes formed by the initial digits of the decimal expansion of the golden ratio phi = (1+sqrt(5))/2.
3

%I #16 Feb 16 2025 08:32:45

%S 1618033,1618033988749

%N Primes formed by the initial digits of the decimal expansion of the golden ratio phi = (1+sqrt(5))/2.

%C The next terms are too large to include here, see A064119.

%H Sean A. Irvine, <a href="/A064117/b064117.txt">Table of n, a(n) for n = 1..4</a>

%H Eric Weisstein's World of Mathematics, <a href="https://mathworld.wolfram.com/Phi-Prime.html">Phi-Prime</a>

%Y Cf. A064119.

%K base,nonn,bref

%O 1,1

%A _Shyam Sunder Gupta_, Sep 09 2001

%E Incorrect comment removed by _Felix Fröhlich_, Aug 25 2014

%E Definition adjusted by _Felix Fröhlich_, Aug 25 2014