cp's OEIS Frontend

A210892 Dates after Jan 01 00 in chronological order which are palindromic when they are written in the format D.M.YY. The terms are listed as numbers. Leading zeros of the terms are suppressed.

%I A210892 #8 Mar 13 2015 23:03:59
%S A210892 10101,10201,10301,10401,10501,10601,10701,10801,10901,101101,20102,
%T A210892 20202,20302,20402,20502,20602,20702,20802,20902,201102,30103,30303,
%U A210892 30403,30503,30603,30703,30803,30903,301103,11111,11211,11311,11411,11511,11611,11711
%N A210892 Dates after Jan 01 00 in chronological order which are palindromic when they are written in the format D.M.YY. The terms are listed as numbers. Leading zeros of the terms are suppressed.
%C A210892 There are exactly 214 such palindromic dates between Jan 1 00 and Dec 31 99 (see b-file for the complete list).
%C A210892 See A210891 for the number of days after 'Mar 1 00' to get such a palindromic date.
%C A210892 The definition is different from A210889/A210890 in that the palindrome property is evaluated including the dots.
%C A210892 To get a real date from a term, insert a dot between the second and the third digit from the left and between the second and the third digit from the right.
%H A210892 Hieronymus Fischer, <a href="/A210892/b210892.txt">Table of n, a(n) for n = 1..214</a>
%F A210892 a(n)=DMYY_date('Mar 1 00' + A210891(n)).
%e A210892 The first palindromic date in D.M.YY format after 'Jan 01 00' is a(1)=10101 (='10.1.01'= 'Jan, 10 01' = 'Mar 01 00' + A210891(1) days);
%e A210892 The 10th palindromic date in D.M.YY format after 'Jan  01 00' is a(10)=101101 (='10.11.01'= 'Nov 10 01' = 'Mar 01 00' + A210891(10) days);
%e A210892 The 44th palindromic date in D.M.YY format after 'Jan  01 00' is a(44)=21512 (='21.5.12'= 'May 21 12' = 'Mar 01 00' + A210891(44) days);
%e A210892 The last (214th) palindromic date in D.M.YY format after 'Jan 01 00' is a(214)=291192 (='29.11.92'= 'Nov 29 92' = 'Mar 01 00' + A210891(214) days).
%Y A210892 Cf. A210883 - A210891, A210893 - A210895, A106605, A107273, A107275
%K A210892 nonn,base
%O A210892 1,1
%A A210892 _Hieronymus Fischer_, Apr 01 2012