A116057 n times pi(n) is made of nontrivial runs of identical digits, where pi(n)=A000720(n).

11, 37, 66, 154, 332, 750, 1696, 4000, 13684, 22308, 26640, 26653, 30327, 47109, 57941, 67127, 82168, 111438, 112525, 193501, 222553, 250000, 340019, 362725, 522015, 644487, 739552, 836750, 1204350, 1216138, 1216578, 1713376, 1722205

Offset

1,1

Comments

A run of length 1 is trivial.

Links

Table of n, a(n) for n=1..33.

Example

1216138*pi(1216138) = 114400885522.

Crossrefs

Cf. A000720, A033023.

Sequence in context: A054293 A072859 A125744 * A099227 A122728 A265767

Adjacent sequences: A116054 A116055 A116056 * A116058 A116059 A116060

Keyword

nonn,base

Author

Giovanni Resta, Feb 13 2006

Status

approved