A094581 In decimal expansion of Pi=3.1415...: smallest k > 0 such that the (n+k)-th digit equals the n-th digit.

9, 2, 17, 34, 4, 7, 10, 13, 2, 6, 21, 7, 2, 16, 16, 2, 5, 7, 8, 4, 2, 7, 19, 13, 1, 2, 8, 16, 5, 10, 8, 17, 18, 20, 1, 17, 21, 3, 4, 8, 9, 28, 2, 3, 1, 10, 18, 9, 3, 19, 4, 10, 15, 10, 11, 3, 10, 2, 4, 1, 10, 29, 17, 10, 22, 6, 30, 7, 26, 3, 17, 6, 3, 3, 4, 7, 7, 8, 3, 1, 20, 3, 16, 6, 4

Offset

1,1

Links

Table of n, a(n) for n=1..85.

Formula

a(n) = Min{k: k>0 and A000796(n+k)=A000796(n)};

a(n) = A094580(n) - n;

a(A094582(n)) = n, A094582(n) = Min{k: a(k)=n}.

Crossrefs

Cf. A000796, A094582.

Sequence in context: A090298 A248315 A256658 * A040080 A272033 A356356

Adjacent sequences: A094578 A094579 A094580 * A094582 A094583 A094584

Keyword

nonn,base

Author

Reinhard Zumkeller, May 13 2004

Status

approved