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Search: id:A060073
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| 1, 2, 7, 39, 311, 3268, 42799, 672605, 12345679, 259374246, 6140565047, 161792257795, 4696537119847, 148943500129544, 5124095576030431, 190082780764323705, 7563707819165039903, 321380710796022350410
(list; graph; listen)
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OFFSET
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2,2
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COMMENT
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Written in base n, a(n) has n-2 digits and looks like 12345... except that the final digit is n-1 rather than n-2.
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LINKS
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Harry J. Smith, Table of n, a(n) for n=2,...,200
Index entries for sequences related to final digits of numbers
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FORMULA
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a(n) =A060071(n)/(n-1)^2 =A060072(n)/(n-1) =A058128(n)/n =A059522(n)/A000142(n)
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EXAMPLE
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a(10)=999999999/81=111111111/9=12345679.
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PROGRAM
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(PARI) { for (n=2, 200, write("b060073.txt", n, " ", (n^(n - 1) - 1)/(n - 1)^2); ) } [From Harry J. Smith (hjsmithh(AT)sbcglobal.net), Jul 01 2009]
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CROSSREFS
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Sequence in context: A032118 A125660 A112944 this_sequence A103365 A145086 A052443
Adjacent sequences: A060070 A060071 A060072 this_sequence A060074 A060075 A060076
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KEYWORD
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nonn
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AUTHOR
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Henry Bottomley (se16(AT)btinternet.com), Feb 21 2001
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