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A032718 n prefixed by '1' and followed by '7' is a prime. 0

%I

%S 0,2,3,5,6,9,11,18,21,23,27,29,30,32,36,42,44,48,56,59,60,62,63,65,66,

%T 69,74,77,78,84,86,87,90,98,99,102,104,105,108,111,117,119,125,128,

%U 131,143,144,146,149,152,158,159,161,165,167,171,177,180,182,186

%N n prefixed by '1' and followed by '7' is a prime.

%K nonn,base

%O 0,2

%A _Patrick De Geest_, May 15 1998

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Last modified May 30 15:38 EDT 2020. Contains 334726 sequences. (Running on oeis4.)