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A113121
a(n) = smallest number of syllables necessary to communicate n by phone, in English.
0
1, 1, 1, 1, 1, 1, 1, 2, 1, 1, 1, 2, 2, 2, 2, 2, 2, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 3, 2, 2, 3, 3, 3, 3, 3, 3, 3, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 3, 2, 2, 2, 3, 3, 3, 3
OFFSET
0,8
COMMENTS
Without "and"; 0 spelled "O", like in "Five o'clock".
EXAMPLE
a(11)=2 because "one-one" is shorter than "e-le-ven";
a(69)=2 because "six-nine" and not "six-ty-nine";
a(100)=2 because "hundred" and not "one-O-O"
CROSSREFS
Sequence in context: A079951 A095407 A038605 * A109036 A085031 A341974
KEYWORD
base,easy,nonn,word
AUTHOR
Alexandre Wajnberg, Jan 03 2006
STATUS
approved