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A103672
Greatest m less than n such that in binary representation n! contains m!.
2
0, 1, 2, 3, 4, 3, 4, 7, 4, 5, 4, 5, 4, 4, 4, 15, 4, 4, 4, 6, 4, 5, 6, 4, 5, 4, 5, 4, 5, 6, 6, 31, 5, 5, 5, 4, 6, 5, 5, 5, 5, 5, 6, 5, 5, 4, 5, 5, 5, 5, 5, 5, 6, 5, 6, 5, 5, 6, 5, 5, 5, 5, 5, 63, 6, 5, 5, 5, 5, 5, 6, 5, 5, 6, 5, 5, 5, 5, 5, 5, 6, 5, 5, 5, 5, 6, 5, 5, 5, 5, 6, 5, 5, 6, 6, 5, 5, 5, 6, 7, 5, 6, 5, 5
OFFSET
1,3
COMMENTS
a(2^k) = 2^k - 1, a(A000079(k)) = A000225(k).
CROSSREFS
KEYWORD
nonn
AUTHOR
Reinhard Zumkeller, Feb 12 2005
STATUS
approved