%I A107276
%S A107276 101101,111111,121151,151121,181181,201105,211115,221155,251125,281185
%N A107276 Vertically symmetrical dates DDMMYY ("condensed european notation") considered
as numbers, in increasing order.
%C A107276 2 and 5 are taken as mirror images (as on calculator displays). From
now on, the next symmetric date is 20th Nov 05. a(1)=101101, a(2)=111111
and a(5)=181181 share the property to present also two symmetrical
halves. Next one is 11th Nov 11.
%Y A107276 Cf. A053701, A106605.
%Y A107276 Sequence in context: A122236 A122246 A107274 this_sequence A068445 A115828
A161796
%Y A107276 Adjacent sequences: A107273 A107274 A107275 this_sequence A107277 A107278
A107279
%K A107276 base,easy,fini,full,nonn
%O A107276 101101,1
%A A107276 Alexandre Wajnberg (alexandre.wajnberg(AT)ulb.ac.be), May 19 2005
|