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A107276
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Vertically symmetrical dates DDMMYY ("condensed european notation") considered as numbers, in increasing order.
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0
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OFFSET
| 1,1
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COMMENTS
| 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.
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CROSSREFS
| Cf. A053701, A106605.
Sequence in context: A122236 A122246 A107274 * A068445 A115828 A168529
Adjacent sequences: A107273 A107274 A107275 * A107277 A107278 A107279
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KEYWORD
| base,easy,fini,full,nonn
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AUTHOR
| Alexandre Wajnberg (alexandre.wajnberg(AT)ulb.ac.be), May 19 2005
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