OFFSET
1,2
COMMENTS
Is this sequence is a permutation of the positive integers?
LINKS
Diana Mecum, Table of n, a(n) for n = 1..1000
EXAMPLE
a(9) = 24 has 8 positive divisors. So a(10) is the smallest positive multiple of 8 that has yet to appear in the sequence. 8 occurs among the first 9 terms of the sequence, but 16 does not. So a(10) = 16.
CROSSREFS
KEYWORD
nonn
AUTHOR
Leroy Quet, Mar 10 2007
EXTENSIONS
More terms from Diana L. Mecum, May 29 2007
STATUS
approved