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Squares whose external digits form a square and whose internal digits form a prime.
0

%I #10 Sep 18 2024 15:05:47

%S 225,1296,2025,3136,15876,30976,112896,125316,181476,306916,343396,

%T 355216,364816,376996,391876,1179396,1218816,1527696,1572516,1679616,

%U 1838736,3041536,3083536,3189796,3290596,3334276,3407716,3701776

%N Squares whose external digits form a square and whose internal digits form a prime.

%e 15876 = 126^2 and external digits 16 is a square; internal digits 587 is prime.

%K base,nonn

%O 1,1

%A _Jason Earls_, Nov 07 2002

%E Offset changed by _Andrew Howroyd_, Sep 18 2024