A161544 Composite numbers whose English names have a composite number of letters.

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

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