A162790 - OEIS

%I #7 Feb 03 2018 05:14:03

%S 10,11,12,13,14,15,16,17,19,20,23,25,29,31,37,41,43,47,53,59,61,67,71,

%T 73,79,83,89,97,101,103,107,109,113,127,131,137,139,149,151,157,163,

%U 167,173,179,181,191,193,197,199,211,223,227,229,233,239,241,251,257,263

%N a(n) = A162530(n)/10.

%C This sequence consists of all primes > 10, together with the composites 10, 12, 14, 15, 16, 20, and 25. - _Franklin T. Adams-Watters_, May 14 2010

%o (PARI) for(k=1,1000,ds=divisors(10*k);if(ds[(#ds+1)\2]==10,print1(k","))) \\ _Franklin T. Adams-Watters_, May 14 2010

%Y Cf. A161344, A162530, A162789, A162903.

%K easy,nonn

%O 1,1

%A _Omar E. Pol_, Jul 13 2009

%E Edited by _Omar E. Pol_, Jul 18 2009

%E Edited by _Omar E. Pol_, Jul 19 2009

%E More terms from _Franklin T. Adams-Watters_, May 14 2010