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A090330
Number of divisors >1 of n that are prefixes of other divisors of n in binary representation.
6
0, 0, 0, 1, 0, 1, 0, 2, 0, 2, 0, 3, 0, 1, 1, 3, 0, 3, 0, 3, 1, 2, 0, 5, 0, 1, 1, 3, 0, 4, 0, 4, 0, 2, 0, 6, 0, 2, 1, 5, 0, 4, 0, 3, 2, 2, 0, 7, 0, 3, 1, 3, 0, 5, 1, 5, 1, 1, 0, 7, 0, 1, 2, 5, 0, 4, 0, 4, 0, 4, 0, 8, 0, 2, 1, 4, 0, 5, 0, 7, 1, 2, 0, 7, 1, 2, 1, 5, 0, 6, 0, 3, 1, 2, 1, 9, 0, 2, 1, 5, 0, 5
OFFSET
1,8
COMMENTS
a(n) = A090329(n) - 1.
CROSSREFS
KEYWORD
nonn
AUTHOR
Reinhard Zumkeller, Nov 26 2003
STATUS
approved