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A109988
3-almost primes (A014612) ordered alphabetically by where they occur in A000052.
3
8, 18, 50, 52, 45, 44, 42, 98, 99, 92, 70, 78, 75, 76
OFFSET
1,1
COMMENTS
A109986 is primes ordered alphabetically by where they occur in A000052. A109987 is semiprimes ordered alphabetically by where they occur in A000052. A109989 is 4-almost primes ordered alphabetically by where they occur in A000052.
EXAMPLE
a(1) = 8 because eight is the first 3-almost prime in alphabetical order.
a(4) = 18 because eighteen is the first 2-digit 3-almost prime in alphabetical order.
CROSSREFS
KEYWORD
base,easy,nonn,word
AUTHOR
Jonathan Vos Post, Jul 07 2005
STATUS
approved