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A109625 Numbers n such that concatenation of n and its 10's complement is a palindrome. 0
5, 91, 9091, 9181, 9271, 9361, 9451, 9541, 9631, 9721, 9811, 900991, 901891, 902791, 903691, 904591, 905491, 906391, 907291, 908191, 909091, 910981, 911881, 912781, 913681, 914581, 915481, 916381, 917281, 918181, 919081, 920971, 921871, 922771 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Table of n, a(n) for n=1..34.

EXAMPLE

a(3)=9091 because 10^4-9091 = 909 and concatenating produces the palindrome

9091909.

CROSSREFS

Sequence in context: A242945 A243198 A091281 * A266290 A222903 A024069

Adjacent sequences:  A109622 A109623 A109624 * A109626 A109627 A109628

KEYWORD

base,nonn

AUTHOR

Jason Earls, Aug 02 2005

STATUS

approved

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Last modified August 12 17:17 EDT 2020. Contains 336439 sequences. (Running on oeis4.)