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Search: id:A083453
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| A083453 |
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a(n) = (concatenation of numbers from n to 1 - n^n). |
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+0
1
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| 0, 17, 294, 4065, 51196, 607665, 6830778, 70877105, 600233832, 987654321, 825675983710, 112194887206065, 12818235881062068, 1402009104162096305, 150975227220606794946, 16132966377037278102705
(list; graph; listen)
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OFFSET
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1,2
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COMMENT
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For n = 76 we get a negative number. - Stefan Steinerberger (stefan.steinerberger(AT)gmail.com), Jun 05 2007
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EXAMPLE
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a(4) = 4321-256 = 4065.
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MATHEMATICA
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a = {}; For[n = 1, n < 20, n++, AppendTo[a, FromDigits[Flatten[Table[IntegerDigits[n - i], {i, 0, n - 1}]]] - n^n]]; a - Stefan Steinerberger (stefan.steinerberger(AT)gmail.com), Jun 05 2007
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CROSSREFS
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Sequence in context: A015969 A001026 A041546 this_sequence A090437 A007805 A129992
Adjacent sequences: A083450 A083451 A083452 this_sequence A083454 A083455 A083456
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KEYWORD
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base,nonn
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AUTHOR
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Amarnath Murthy and Meenakshi Srikanth (amarnath_murthy(AT)yahoo.com), May 01 2003
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EXTENSIONS
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More terms from Stefan Steinerberger (stefan.steinerberger(AT)gmail.com), Jun 05 2007
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