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A112673
Smallest positive integer that has a different number of distinct digits in each of the bases 2 through n.
1
1, 2, 21, 156, 2343, 131071, 797161, 45623244
OFFSET
2,2
REFERENCES
Edwin Clark, Posting to Sequence Fan mailing list, Dec 28 2005
CROSSREFS
A variant of A112670.
Sequence in context: A095262 A209519 A215710 * A263435 A202028 A265167
KEYWORD
nonn,base
AUTHOR
N. J. A. Sloane, Dec 30 2005
EXTENSIONS
a(8) and a(9) from John W. Layman, Jan 16 2006
STATUS
approved