A086183 In decimal expansion of Pi: greatest number contained as a string in the first n positions, which is also contained in the next n positions.

3, 1, 4, 1, 5, 9, 9, 9, 9, 9, 9, 26, 26, 26, 26, 79, 79, 79, 79, 84, 97, 97, 97, 97, 97, 97, 97, 97, 97, 97, 97, 97, 592, 592, 592, 592, 592, 592, 592, 592, 592, 592, 592, 592, 592, 592, 592, 592, 592, 592, 592, 592, 592, 592, 592, 592, 592, 592, 592, 592, 592

Offset

1,1

Comments

1 <= A086184(n) <= n <= A086185(n) <= 2*n.

A000796(A086184(n)+j) = A000796(A086185(n)+j), 0 <= j < A055642(a(n)).

For record values see A086186, A086187.

Links

Table of n, a(n) for n=1..61.

Dave Andersen, The Pi-Search Page.

Eric Weisstein's World of Mathematics, Pi.

Example

n=13: A086184(13)=7, A086185(13)=22, a(13)=26, A055642(26)=2:
A000796(7)=A000796(22)=2 and A000796(8)=A000796(23)=6;
|-----26----|--------26--|8327950288419716...
314159265358979323846264338327950288419716....

Crossrefs

Cf. A000796, A055642, A086184, A086185, A086186, A086187.

Sequence in context: A152042 A057466 A187079 * A014462 A309992 A016474

Adjacent sequences: A086180 A086181 A086182 * A086184 A086185 A086186

Keyword

nonn,base

Author

Reinhard Zumkeller, Jul 11 2003

Status

approved