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Search: id:A068569
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A068569 Positive numbers that are not the ratio of any n/(# of letters to express n in English). +0
1
11, 13, 17, 18, 21, 22, 23, 26, 28, 30, 31, 32, 43, 45, 47, 48, 52, 55, 57, 58, 64, 68, 70, 77, 86, 88, 91, 94, 113, 118, 119, 121, 122, 123, 124, 127, 129, 135, 137, 139, 140, 145, 153, 154, 155, 157, 159, 160, 166, 169, 171, 174, 175, 179, 180, 181, 182, 186 (list; graph; listen)
OFFSET

0,1

EXAMPLE

8 is not in this sequence since "fifty-six" has 8 letters and 56 / 8 = 7.

CROSSREFS

Sequence in context: A124569 A049722 A099481 this_sequence A124176 A031979 A055239

Adjacent sequences: A068566 A068567 A068568 this_sequence A068570 A068571 A068572

KEYWORD

easy,nonn,word

AUTHOR

Erich Friedman (efriedma(AT)stetson.edu), Mar 26 2002

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Last modified December 7 23:50 EST 2009. Contains 170430 sequences.


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