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A117122
Number of different digits in the decimal expansion of 1/n.
0
1, 2, 2, 3, 2, 3, 7, 4, 2, 2, 2, 3, 6, 7, 2, 4, 10, 2, 10, 2, 6, 3, 10, 4, 2, 7, 3, 8, 10, 2, 9, 5, 2, 10, 7, 3, 3, 10, 6, 3, 5, 6, 9, 3, 2, 10, 10, 4, 10, 2, 10, 7, 10, 4, 3, 7, 10, 10, 10, 3, 10, 9, 6, 5, 7, 3, 9, 10, 10, 7, 10, 4, 6, 4, 3, 10, 6, 5, 8, 4, 9
OFFSET
1,2
EXAMPLE
a(12)=3 because in the decimal expansion of 1/12=0.083333... are 3 different digits, namely 0,3 and 8.
CROSSREFS
Sequence in context: A341758 A371559 A236433 * A122828 A242213 A035213
KEYWORD
nonn,base
AUTHOR
Luc Stevens (lms022(AT)yahoo.com), Apr 19 2006; corrected Apr 20 2006
STATUS
approved