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A032704 n prefixed by '4' and followed by '1' is prime. 0

%I

%S 0,2,3,6,9,11,20,21,23,24,26,27,39,42,44,45,48,56,59,62,65,69,72,75,

%T 80,83,86,87,93,95,101,105,108,113,114,116,120,122,123,128,134,135,

%U 138,141,149,152,161,162,164,165,168,176,177,180,185,191,194,198,206

%N n prefixed by '4' and followed by '1' is prime.

%K nonn,base

%O 0,2

%A _Patrick De Geest_, May 15 1998

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Last modified October 22 18:45 EDT 2021. Contains 348175 sequences. (Running on oeis4.)