A132726 Triangle read by rows: T(n,k) = length of period in decimal representation of k/n, 1<=k<=n.

0, 0, 0, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 0, 1, 1, 0, 6, 6, 6, 6, 6, 6, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 0, 1, 1, 0, 1, 1, 0, 1, 1, 0, 1, 1, 0, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 0, 6, 6, 6, 6, 6, 6, 0, 6, 6, 6, 6, 6, 6, 0

Offset: 1

Author

Reinhard Zumkeller, Aug 27 2007

Keywords

• nonn
• base
• tabl

Comments

T(n,1) = A051626(n); T(n,n) = 0;

T(n,k) = T(1,k/A050873(n,k));

T(n,k) = T(n,A132740(k)), 1<=k<=n;

T(A003592(n),k) = 0, 1<=k<=A003592(n).

Links

• Eric Weisstein's World of Mathematics, Decimal expansion
• Index entries for sequences related to decimal expansion of 1/n.