A014974 Differences between successive locations of zeros in decimal expansion of Pi.

18, 4, 11, 6, 6, 8, 12, 9, 10, 5, 7, 4, 14, 13, 5, 3, 9, 19, 12, 38, 3, 16, 6, 17, 4, 16, 1, 3, 16, 3, 10, 17, 3, 1, 5, 3, 6, 23, 5, 5, 13, 22, 8, 42, 20, 7, 3, 20, 2, 7, 5, 4, 35, 5, 1, 1, 15, 20, 19, 2, 10, 13, 2, 19, 12, 5

Offset

1,1

Comments

Assuming Pi is normal, this sequence includes every finite sequence of positive integers. - Franklin T. Adams-Watters, Mar 15 2006

Links

Harvey P. Dale, Table of n, a(n) for n = 1..3000

Eric Weisstein's World of Mathematics, Normal Number.

Formula

a(n) = A014976(n+1) - A014976(n). - Michel Marcus, Oct 06 2013

Example

First two 0's are in 33rd and 51st digits, difference is 18.

Mathematica

Differences[Flatten[Position[RealDigits[Pi, 10, 1000][[1]], 0]]] (* Harvey P. Dale, Jul 04 2017 *)

Crossrefs

Cf. A000796, A037008, A139728, A108664.

Sequence in context: A051522 A134906 A018815 * A008575 A059654 A080694

Adjacent sequences: A014971 A014972 A014973 * A014975 A014976 A014977

Keyword

nonn,base

Author

Bagirath R. Krishnamachari (bagi(AT)callisto.miel.mot.com)

Extensions

More terms from Simon Plouffe.

Status

approved