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A115927 a(n) is the number of k such that k and n*k, taken together, are pandigital. 10
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, 3, 1, 7, 5, 6, 8, 3, 0, 13, 2, 3 (list; graph; refs; listen; history; internal format)
OFFSET

1,2

EXAMPLE

a(7)=1 since there is only one number, k=14076, such that k

and 7*k=98532. a(9)=3 since there are 3 such numbers: 10638, 10647 and

10836.

CROSSREFS

Cf. A054383, A115922, A115923, A115924, A115925, A114126.

Sequence in context: A036210 A037941 A069012 * A087407 A203250 A124354

Adjacent sequences:  A115924 A115925 A115926 * A115928 A115929 A115930

KEYWORD

nonn,base

AUTHOR

Giovanni Resta (g.resta(AT)iit.cnr.it), Feb 06 2006

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Last modified February 16 13:56 EST 2012. Contains 205921 sequences.