A261920 - OEIS

A261920

In A261907 but not the sum of two palindromes whose lengths differ by 1.

10, 109, 110, 113, 114, 115, 116, 117, 118, 119, 120, 124, 125, 126, 127, 128, 129, 130, 135, 136, 137, 138, 139, 140, 146, 147, 148, 149, 150, 157, 158, 159, 160, 168, 169, 170, 179, 180, 190, 211, 221, 231, 241, 251, 261, 271, 281, 291, 302, 312, 322, 332, 342

(list; graph; refs; listen; history; text; internal format)

OFFSET

1,1

COMMENTS

Nonpalindromes which are the sum of two palindromes but are not the sum of two palindromes whose lengths differ by 1.

LINKS

Table of n, a(n) for n=1..53.

EXAMPLE

10 = 5+5 is a member, as is 109=101+8.

CROSSREFS

Cf. A002113, A261907, A261921.

Sequence in context: A190957 A163206 A246073 * A024527 A291894 A217322

Adjacent sequences: A261917 A261918 A261919 * A261921 A261922 A261923

KEYWORD

nonn,base

AUTHOR

David Applegate and N. J. A. Sloane, Sep 15 2015

STATUS

approved