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Search: id:A107276
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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
1
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| 101101, 111111, 121151, 151121, 181181, 201105, 211115, 221155, 251125, 281185
(list; graph; listen)
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OFFSET
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101101,1
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COMMENT
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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
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Cf. A053701, A106605.
Sequence in context: A122236 A122246 A107274 this_sequence A068445 A115828 A161796
Adjacent sequences: A107273 A107274 A107275 this_sequence A107277 A107278 A107279
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KEYWORD
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base,easy,fini,full,nonn
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AUTHOR
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Alexandre Wajnberg (alexandre.wajnberg(AT)ulb.ac.be), May 19 2005
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