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A050284 a(n) is the starting position of the first occurrence of a string of (at least) n '5's in the decimal expansion of Pi. 13
4, 130, 177, 24466, 24466, 244453, 3517236, 168743355, 5050944965, 6644991298 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

This sequence has a(4) = a(5) = A096759(5) < A096759(4). As can be seen from a(1) = 4 (referring to the '5' in 3.1415...), position p means the string starts at the p-th digit after the decimal point. - M. F. Hasler, Apr 13 2019

LINKS

Table of n, a(n) for n=1..10.

Eric Weisstein's World of Mathematics, Pi Digits.

CROSSREFS

Cf. A096759 (variant), ...A050283, A050285... (analog for digits ..., 4, 6, ...).

Sequence in context: A299136 A117897 A001425 * A096759 A299367 A299931

Adjacent sequences:  A050281 A050282 A050283 * A050285 A050286 A050287

KEYWORD

nonn,base

AUTHOR

Eric W. Weisstein

EXTENSIONS

More terms from Colin Martin (cbmartin(AT)tpg.com.au), Mar 03 2002

STATUS

approved

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Last modified July 22 20:51 EDT 2019. Contains 325226 sequences. (Running on oeis4.)