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Search: id:A055085
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| A055085 |
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Smallest integer containing all digits in all bases from 2 to n. |
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+0
1
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| 2, 11, 75, 978, 8350, 160773, 2217404, 45623244, 1093265784, 37206483195, 1587937206284
(list; graph; listen)
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OFFSET
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2,1
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COMMENT
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a(12) is the first entry whose expansion in base n does not begin with a 1. - Tom Womack.
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EXAMPLE
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75 is the smallest integer containing 0 and 1 in base 2 (1001011), 0, 1 and 2 in base 3 (2210) and 0, 1, 2 and 3 in base 4 (1023), hence a(4) = 75
a(12) = 1587937206284 is 217904B5A638 in base 12; 562493178A90 in base 11.
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CROSSREFS
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A051640 uses a weaker definition.
Sequence in context: A158265 A112894 A049363 this_sequence A118802 A053481 A110329
Adjacent sequences: A055082 A055083 A055084 this_sequence A055086 A055087 A055088
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KEYWORD
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nonn,base
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AUTHOR
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Ulrich Schimke (ulrschimke(AT)aol.com)
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EXTENSIONS
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One more term from David Wasserman (wasserma(AT)spawar.navy.mil), Mar 25 2002
a(12) from Tom Womack (tom(AT)womack.net), Jun 19 2007
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