A161544 - OEIS

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A161544

Composite numbers whose English names have a composite number of letters.

0

4, 9, 12, 14, 18, 20, 21, 22, 24, 25, 26, 30, 32, 34, 35, 36, 39, 42, 44, 45, 46, 48, 49, 51, 52, 54, 55, 56, 57, 58, 62, 63, 64, 65, 66, 68, 69, 72, 76, 77, 78, 80, 81, 82, 84, 85, 86, 90, 91, 92, 94, 95, 96, 99, 100, 104, 105, 108, 111, 112, 114, 119, 120, 123, 124, 125

(list; graph; refs; listen; history; text; internal format)

OFFSET

1,1

COMMENTS

4 = four(4 letters), 9 = nine (4 letters), etc.

LINKS

Table of n, a(n) for n=1..66.

CROSSREFS

Sequence in context: A243650 A140399 A312849 * A179395 A175251 A368998

Adjacent sequences: A161541 A161542 A161543 * A161545 A161546 A161547

KEYWORD

nonn,word

AUTHOR

Claudio Meller, Jun 13 2009

STATUS

approved