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A096532
Number of composite numbers not greater than the n-th composite number that do not divide any number not greater than the n-th composite number.
1
1, 2, 2, 3, 4, 4, 5, 6, 6, 6, 6, 7, 8, 8, 9, 10, 11, 11, 11, 11, 12, 13, 14, 14, 15, 16, 16, 16, 16, 17, 18, 18, 19, 19, 20, 20, 20, 21, 21, 22, 23, 23, 24, 25, 25, 26, 26, 26, 27, 27, 27, 28, 29, 29, 30, 30, 30, 31, 32, 32, 33, 34, 35, 35, 35, 36, 36, 37, 38, 39, 39, 39, 40, 40
OFFSET
1,2
COMMENTS
a(n) = n - A096533(n).
CROSSREFS
Cf. A002808.
Sequence in context: A065361 A089792 A081608 * A335380 A077773 A308754
KEYWORD
nonn
AUTHOR
Reinhard Zumkeller, Jun 23 2004
STATUS
approved