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A121657
Successive run lengths in decimal expansion of Pi.
1
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, 2, 1, 1, 1, 1, 1, 1, 1, 1, 2, 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, 2, 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
OFFSET
1,25
EXAMPLE
a(25) = 2 as the 25th run, the first run of two or more identical digits in 3.14159265358979323846264338..., consists of the two 3s following the first 24 digits.
MATHEMATICA
Length /@ Split@RealDigits[Pi, 10, 111][[1]] (* Robert G. Wilson v, Aug 16 2006 *)
CROSSREFS
Cf. A000796, A051480, A082586 (another version).
Sequence in context: A144382 A139553 A078379 * A043282 A031226 A031242
KEYWORD
base,nonn
AUTHOR
Rick L. Shepherd, Aug 13 2006
STATUS
approved