A084325 Palindromes such that at least one divisor is non-palindromic; palindromes not in A062687.

111, 141, 161, 171, 212, 222, 232, 252, 272, 282, 292, 323, 333, 343, 414, 424, 434, 444, 454, 464, 474, 494, 515, 525, 535, 545, 555, 565, 575, 585, 595, 616, 636, 646, 656, 666, 676, 686, 696, 717, 737, 747, 767, 777, 818, 828, 838, 848, 858, 868, 878

Offset

1,1

Links

Indranil Ghosh, Table of n, a(n) for n = 1..10000

Example

141 is in the sequence because the divisors of 141 are 1, 3, 47 and 141, from which 47 is the only non-palindromic number. - Indranil Ghosh, Feb 10 2017

Mathematica

palQ[n_] := Reverse[x = IntegerDigits[n]] == x; Select[Range[880], palQ[#] && And @@ palQ /@ Divisors[#] == False &] (* Jayanta Basu, Aug 10 2013 *)

Crossrefs

Sequence in context: A213879 A095613 A108721 * A234803 A074253 A245385

Adjacent sequences: A084322 A084323 A084324 * A084326 A084327 A084328

Keyword

base,easy,nonn

Author

Jason Earls, Jun 21 2003

Status

approved