A222726 Palindromic composite numbers starting with a digit 3.

33, 303, 323, 333, 343, 363, 393, 3003, 3113, 3223, 3333, 3443, 3553, 3663, 3773, 3883, 3993, 30003, 30303, 30503, 30603, 30903, 31213, 31313, 31413, 31513, 31613, 31713, 31813, 31913, 32023, 32123, 32223, 32523, 32623, 32723, 32823, 32923, 33033, 33133, 33233

Offset

1,1

Comments

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).

Links

Jaroslav Krizek, Table of n, a(n) for n = 1..1021

Crossrefs

Cf. A032350, A002113, A222725, A043038.

Sequence in context: A257450 A301549 A020291 * A024400 A297492 A256109

Adjacent sequences: A222723 A222724 A222725 * A222727 A222728 A222729

Keyword

nonn,base

Author

Jaroslav Krizek, Mar 09 2013

Status

approved