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%I #8 Feb 22 2021 13:28:02
%S 101101,102501,111111,112511,121151,122551
%N Vertically symmetrical dates MMDDYY ("condensed American notation") considered as numbers, in increasing order.
%C 2 and 5 are taken as mirror images (as on calculator displays). a(1)=101101 and a(3)=111111, share the property to present also two symmetrical halves. From now on, the next one is Nov 11th 11.
%Y Cf. A053701, A106605.
%K base,easy,fini,full,nonn
%O 1,1
%A _Alexandre Wajnberg_, May 19 2005
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