A051480 - OEIS

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A051480

Run lengths in binary expansion of Pi.

2, 2, 1, 2, 1, 4, 6, 1, 2, 1, 1, 1, 1, 1, 1, 3, 1, 3, 1, 4, 1, 1, 2, 1, 1, 3, 2, 4, 1, 3, 2, 1, 1, 2, 2, 3, 1, 2, 2, 3, 2, 2, 2, 3, 1, 1, 1, 3, 1, 1, 3, 7, 2, 1, 3, 5, 3, 2, 2, 1, 1, 3, 1, 2, 1, 1, 1, 2, 1, 6, 1, 2, 1, 2, 3, 5, 1, 3, 1, 3, 1, 1, 1, 2, 2, 2, 5, 2, 2, 3, 3, 1, 1, 8, 1, 5, 1, 1, 3, 1, 5, 1, 1, 1, 1

(list; graph; refs; listen; history; text; internal format)

OFFSET

1,1

LINKS

Paolo Xausa, Table of n, a(n) for n = 1..10000

EXAMPLE

The binary expansion of Pi is: 11. 00 1 00 1 0000 111111 0 ...

MATHEMATICA

Map[Length, Most[Split[First[RealDigits[Pi, 2, 300]]]]] (* Paolo Xausa, Jul 30 2024 *)

CROSSREFS

Cf. A000796, A004601.

Sequence in context: A254573 A144387 A030768 * A071572 A172176 A285930

Adjacent sequences: A051477 A051478 A051479 * A051481 A051482 A051483

KEYWORD

base,nonn

AUTHOR

H. Tracy Hall (hthall(AT)math.berkeley.edu)

STATUS

approved