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A159451 Number of numbers less than n, that are contained in n written as English number names. 3
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 1, 1, 1, 1, 0, 2, 2, 2, 2, 2, 2, 2, 2, 2, 0, 2, 2, 2, 2, 2, 2, 2, 2, 2, 0, 2, 2, 2, 2, 2, 2, 2, 2, 2, 0, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 3, 3, 3, 3, 3, 2, 3, 3, 3, 1, 3, 3, 3, 3, 3, 3, 2, 3, 3, 1, 3, 3, 3, 3, 3, 3, 3, 2, 3, 1, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 2, 3, 3, 3 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,22

COMMENTS

a(A159452(n)) = 0;

a(A159453(n)) = n and a(m) <> n for m < A159453(n).

LINKS

R. Zumkeller, Table of n, a(n) for n = 0..10000

Robert G. Wilson v, English names for the numbers from 0 to 11159 without spaces or hyphens

EXAMPLE

n=19->nineteen: a(19) = #{nine} = 1;

n=20->twenty: a(20) = #{} = 0;

n=21->twentyone: a(21) = #{one, twenty} = 2.

CROSSREFS

A001477.

Sequence in context: A055178 A174847 A215887 * A103159 A063056 A174835

Adjacent sequences:  A159448 A159449 A159450 * A159452 A159453 A159454

KEYWORD

nonn,word

AUTHOR

Reinhard Zumkeller, Apr 12 2009

STATUS

approved

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Last modified November 18 10:38 EST 2017. Contains 294887 sequences.