cp's OEIS Frontend

This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.

Showing 1-2 of 2 results.

A135088 Number of digits between successive occurrences of digit 1 in decimal representation of Pi.

Original entry on oeis.org

1, 33, 2, 8, 18, 25, 0, 7, 6, 27, 9, 4, 0, 0, 7, 4, 5, 0, 22, 7, 13, 17, 4, 2, 3, 18, 11, 13, 1, 16, 4, 4, 17, 1, 17, 0, 17, 3, 4, 2, 1, 0, 20, 6, 2, 0, 3, 4, 0, 3, 2, 0, 24, 11, 6, 3, 0, 3, 25, 15, 5, 18, 1, 5, 12, 10, 8, 2, 16, 12, 5, 4, 8, 9, 10, 22, 4, 0, 1, 4, 10, 1, 3, 9, 7, 5, 0, 20, 5, 4, 5, 45, 2, 0, 2, 1, 1, 4, 22, 4
Offset: 1

Views

Author

Daniel Drijard (daniel.drijard(AT)cern.ch), May 05 2008, May 10 2008

Keywords

Crossrefs

Programs

  • Mathematica
    Differences[Flatten[Position[RealDigits[Pi,10,1000][[1]],1]]]-1 (* Harvey P. Dale, Apr 20 2016 *)

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

Original entry on oeis.org

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

Views

Author

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

Keywords

Comments

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

Examples

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

Crossrefs

Programs

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

Formula

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

Extensions

More terms from Simon Plouffe.
Showing 1-2 of 2 results.