A082586 Length of the run of consecutive equal digits in the decimal expansion of Pi beginning at position n and ignoring any immediately-previous equal digits.

1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1

Offset: 1

Author

N. J. A. Sloane, May 12 2003

Keywords

• nonn
• base
• easy

Comments

Digits 3,1,4,... are indexed 1,2,3,...

Examples

			Pi = 3.141592653589793238462643383279502884... and the first run of 2 starts at position 25, so a(n) = 1 for n < 25, a(25) = 2.
Runs of length 2 begin in positions 25,35,45,60,80,95 then not again until 118. Compare A049514 and A049518.
		

Crossrefs

Cf. A084073, A121657 (another version).

Extensions

More terms from Kyle Hoffman (khoffma1(AT)ashland.edu), Apr 01 2004

Definition clarified by Rick L. Shepherd, Aug 26 2006