|
|
A050286
|
|
Starting position of the first occurrence of a string of at least n '7's in the decimal expansion of Pi.
|
|
12
|
|
|
13, 559, 1589, 1589, 162248, 399579, 3346228, 24658601, 24658601, 22869046249, 165431035708, 368299898266, 10541103245815, 14793486898235, 46970519777308
(list;
graph;
refs;
listen;
history;
text;
internal format)
|
|
|
OFFSET
|
1,1
|
|
COMMENTS
|
a(10) > 2*10^9 according to the SubIdiom.com/pi search engine. - M. F. Hasler, Apr 13 2019
|
|
LINKS
|
Eric Weisstein's World of Mathematics, Pi Digits.
|
|
FORMULA
|
|
|
CROSSREFS
|
Cf. A000796: Decimal expansion (or digits) of Pi.
Cf. A176341 (first occurrence of n).
|
|
KEYWORD
|
nonn,base,more
|
|
AUTHOR
|
|
|
EXTENSIONS
|
|
|
STATUS
|
approved
|
|
|
|