A062697 - OEIS

A062697

Palindromes > 10 that are the sum of two distinct smaller palindromes.

11, 33, 44, 55, 66, 77, 88, 99, 101, 121, 202, 212, 222, 232, 242, 252, 262, 272, 282, 292, 303, 313, 323, 333, 343, 353, 363, 373, 383, 393, 404, 414, 424, 434, 444, 454, 464, 474, 484, 494, 505, 515, 525, 535, 545, 555, 565, 575, 585, 595, 606, 616, 626

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

OFFSET

1,1

COMMENTS

Includes every palindrome > 22 whose first digit is not 1. - Robert Israel, Mar 17 2015

LINKS

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

EXAMPLE

202 = 191 + 11 and all are palindromes.

MATHEMATICA

With[{pals=Select[Range[1000], IntegerDigits[#]==Reverse[ IntegerDigits[ #]]&]}, Select[ Union[Select[Total/@Subsets[pals, {2}], IntegerDigits[#] == Reverse[IntegerDigits[#]]&]], #>9&]] (* Harvey P. Dale, Mar 16 2015 *)

CROSSREFS

Sequence in context: A018947 A038634 A373047 * A247110 A022671 A029516

Adjacent sequences: A062694 A062695 A062696 * A062698 A062699 A062700

KEYWORD

base,easy,nonn

AUTHOR

Erich Friedman, Jul 04 2001

EXTENSIONS

Corrected by Harvey P. Dale, Mar 16 2015

STATUS

approved