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Search: id:A060071
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| 0, 1, 8, 63, 624, 7775, 117648, 2097151, 43046720, 999999999, 25937424600, 743008370687, 23298085122480, 793714773254143, 29192926025390624, 1152921504606846975, 48661191875666868480, 2185911559738696531967
(list; graph; listen)
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OFFSET
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1,3
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LINKS
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Harry J. Smith, Table of n, a(n) for n=1,...,200
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FORMULA
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a(n) =A000169(n)-1 =A060072(n)*(n-1) =A060073(n)*(n-1)^2
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EXAMPLE
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a(10)=10^9-1=999999999
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PROGRAM
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(PARI) { for (n=1, 200, write("b060071.txt", n, " ", n^(n - 1) - 1); ) } [From Harry J. Smith (hjsmithh(AT)sbcglobal.net), Jul 01 2009]
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CROSSREFS
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Sequence in context: A001090 A105219 A037205 this_sequence A084096 A137664 A014392
Adjacent sequences: A060068 A060069 A060070 this_sequence A060072 A060073 A060074
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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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