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A069012
Number of distinct representations of n as the ratio A/B, where A and B taken together are pandigital (i.e., contains all digits 0 through 9 once).
0
48, 6, 8, 12, 0, 1, 16, 3, 0, 0, 1, 1, 6, 3, 1, 19, 6, 4, 12, 0, 3, 3, 4, 3, 9, 2, 1, 8, 2, 0, 16, 1, 3, 14, 0, 3, 7, 3, 4, 0, 3, 1, 13, 4, 1, 6, 0, 1, 12, 0, 2, 28, 1, 4, 6, 1, 3, 6, 3, 0, 28, 1, 1, 10, 1, 1, 4, 5, 7, 0, 3, 3, 11, 0, 2, 8, 1, 1, 46, 0, 0, 5
OFFSET
2,1
COMMENTS
The last nonzero term is a(987654320) = 1. Sean A. Irvine, Mar 28 2024
EXAMPLE
For instance, 9 has the a(9)=3 pandigital ratio expressions 97524/10836 = 95823/10647 = 95742/10638.
CROSSREFS
Sequence in context: A257875 A037941 A229190 * A115927 A298619 A298831
KEYWORD
base,nonn
AUTHOR
Lekraj Beedassy, Apr 02 2002
EXTENSIONS
More terms from Sean A. Irvine, Mar 28 2024
STATUS
approved