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A158190 Nonprime numbers with final digit prime. 0

%I #8 Jun 14 2016 04:20:18

%S 12,15,22,25,27,32,33,35,42,45,52,55,57,62,63,65,72,75,77,82,85,87,92,

%T 93,95,102,105,112,115,117,122,123,125,132,133,135,142,143,145,147,

%U 152,153,155,162,165,172,175,177,182,183,185,187,192,195,202,203,205,207

%N Nonprime numbers with final digit prime.

%C Prime digits are 2, 3, 5 or 7.

%F a(n) ~ 2.5n

%Y Cf. A141468.

%K nonn,base,less

%O 1,1

%A _Juri-Stepan Gerasimov_, Mar 13 2009

%E Entries checked by _R. J. Mathar_, May 19 2010

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Last modified March 29 02:13 EDT 2024. Contains 371264 sequences. (Running on oeis4.)