A222726 - OEIS

%I #4 Mar 11 2013 16:13:08

%S 33,303,323,333,343,363,393,3003,3113,3223,3333,3443,3553,3663,3773,

%T 3883,3993,30003,30303,30503,30603,30903,31213,31313,31413,31513,

%U 31613,31713,31813,31913,32023,32123,32223,32523,32623,32723,32823,32923,33033,33133,33233

%N  Palindromic composite numbers starting with a digit 3.

%C  Subsequence of A032350 (palindromic nonprime numbers) and A002113 (palindromic numbers). Complement of A222725 (palindromic primes starting with a digit 3) with respect to A043038 (palindromic numbers starting with a digit 3).

%H Jaroslav Krizek, <a href="/A222726/b222726.txt">Table of n, a(n) for n = 1..1021</a>

%Y  Cf. A032350, A002113, A222725, A043038.

%K nonn,base

%O 1,1

%A _Jaroslav Krizek_, Mar 09 2013