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A145524
Least integer k>0 such that A000041(k) is divisible by 10^n.
1
1, 9, 74, 449, 599, 11224, 55374, 3099324, 3099324
OFFSET
0,2
COMMENTS
The requirement a(n)>0 is somewhat arbitrary, chosen for agreement with A046641 ; a(n)>=0 would have been possible, too, yielding a(0)=0.
a(9) > 10^7. [From Max Alekseyev, Oct 18 2008]
FORMULA
a(n) = A046641(10^n)
CROSSREFS
KEYWORD
more,nonn
AUTHOR
M. F. Hasler, Oct 12 2008
EXTENSIONS
a(6)..a(8) from Max Alekseyev, Oct 18 2008
STATUS
approved