

A230959


If n is pandigital then 0 else (digits not occurring in decimal representation of n, arranged in decreasing order).


5



987654321, 987654320, 987654310, 987654210, 987653210, 987643210, 987543210, 986543210, 976543210, 876543210, 98765432, 987654320, 98765430, 98765420, 98765320, 98764320, 98754320, 98654320, 97654320, 87654320, 98765431, 98765430, 987654310, 98765410
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