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A182689
a(n) = the smallest 2-digit number with exactly n divisors, a(n) = 0 if no such number exists.
1
0, 11, 25, 10, 16, 12, 64, 24, 36, 48, 0, 60, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0
OFFSET
1,2
FORMULA
A000005(a(n)) = n for a(n) > 0.
12 = max n such that a(n) > 0, a(n) = 0 for n > 12.
CROSSREFS
Cf. A182690.
Sequence in context: A334597 A114167 A108302 * A251412 A286279 A125868
KEYWORD
nonn,base,less
AUTHOR
Jaroslav Krizek, Nov 27 2010
STATUS
approved