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Search: id:A038619
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| A038619 |
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Smallest number that needs more lines when shown in a digital clock than any previous term. |
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+0
1
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| 1, 2, 6, 8, 10, 18, 20, 28, 68, 88, 108, 188, 200, 208, 288, 688, 888, 1088, 1888, 2008, 2088, 2888, 6888, 8888, 10888, 18888, 20088, 20888, 28888, 68888, 88888, 108888
(list; graph; listen)
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OFFSET
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0,2
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FORMULA
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For n >= 3, the terms with n digits are given by: 108A + B, 188A + B, 200A + B, 208A + B, 288A + B, 688A + B, 888A + B where A = 10^(n - 3), B = 8 (A - 1) / 9.
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EXAMPLE
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0, 1, 2, ..., 9 need 6, 2, 5, 5, 4, 5, 6, 3, 7, 6 lines
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CROSSREFS
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Sequence in context: A047395 A036554 A084909 this_sequence A118257 A066762 A066198
Adjacent sequences: A038616 A038617 A038618 this_sequence A038620 A038621 A038622
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KEYWORD
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nonn,base,easy,nice
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AUTHOR
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Jan Kristian Haugland (jankrihau(AT)hotmail.com)
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