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Primes in which a digit is square of another digit.
1

%I #5 Apr 03 2023 10:36:11

%S 11,19,29,31,41,43,47,59,61,71,79,89,97,101,103,107,109,113,127,131,

%T 137,139,149,151,157,163,167,173,179,181

%N Primes in which a digit is square of another digit.

%C Different from A061246 and A158051.

%C There are at most 5*x^k primes missing from this sequence up to x, where k = log 6/log 10 = 0.7781.... - _Charles R Greathouse IV_, Nov 29 2022

%H Chris Caldwell, <a href="https://t5k.org/lists/small/1000.txt">The First 1,000 Primes</a>

%e 181 contains two digits which are square of another digit.

%Y Cf. A061246, A158051.

%K base,nonn

%O 1,1

%A _Parthasarathy Nambi_, Mar 15 2009