login
The OEIS is supported by the many generous donors to the OEIS Foundation.

 

Logo
Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A261911 Numbers n which are neither palindromes nor the sum of two palindromes, with property that the largest palindrome which when subtracted from n yields the sum of two palindromes is not the palindromic floor of n (A261423(n)), but rather the next palindrome below that. 4

%I #24 Sep 13 2015 23:47:45

%S 1099,1143,1154,1165,1176,1187,1198,1209,1264,1275,1286,1297,1308,

%T 1319,1385,1396,1407,1418,1429,1517,1528,1539,1638,1649,1759,10099,

%U 10155,10199,10299,10366,10399,10499,10577,10599,10699,10799,11809,12819,13829,14839

%N Numbers n which are neither palindromes nor the sum of two palindromes, with property that the largest palindrome which when subtracted from n yields the sum of two palindromes is not the palindromic floor of n (A261423(n)), but rather the next palindrome below that.

%C These are the numbers with palindromic order 4 (see A261913).

%H N. J. A. Sloane, <a href="/A261911/b261911.txt">Table of n, a(n) for n = 1..51</a>

%Y Cf. A002113, A261423, A261910, A261912, A261913.

%K nonn,base

%O 1,1

%A _N. J. A. Sloane_, Sep 10 2015

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Style Sheet | Transforms | Superseeker | Recents
The OEIS Community | Maintained by The OEIS Foundation Inc.

License Agreements, Terms of Use, Privacy Policy. .

Last modified August 18 02:03 EDT 2024. Contains 375255 sequences. (Running on oeis4.)