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A180102 a(1)=1; a(n)=percentage of sum of previous terms represented by n 0
100, 66, 50, 40, 33, 28, 25, 22, 20, 18, 16, 15, 14, 13, 12, 11, 11, 10, 10, 9, 9, 8, 8, 8, 7, 7, 7, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2 (list; graph; refs; listen; history; text; internal format)
OFFSET
2,1
LINKS
FORMULA
a(1) = 1
a(n) = 100 * n / (n + n-1 + n-2 + ... + 1)
EXAMPLE
a(3)=50 because 1+2+3=6 and 3 is 50% of 6.
MATHEMATICA
Floor[200/(Range[90]+1)] (* Harvey P. Dale, Jul 24 2011 *)
CROSSREFS
Sequence in context: A033420 A234322 A260707 * A242615 A090292 A020993
KEYWORD
easy,nonn
AUTHOR
Dominick Cancilla, Aug 09 2010
STATUS
approved

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Last modified March 28 18:04 EDT 2024. Contains 371254 sequences. (Running on oeis4.)