OFFSET
1,3
COMMENTS
The series a(n) := 1 + 1/11 + 1/21 + 1/1211 + 1/111221 + 1/312211 + ... converges to 1.139366173592639521191348935319958...
LINKS
John H. Conway and Brady Haran, Look-and-Say Numbers (2014), Numberphile video.
Eric Weisstein's World of Mathematics, Look and Say Sequence.
Wikipedia, Look-and-say sequence.
FORMULA
Equals Sum_{k>=1} 1/A005150(k).
EXAMPLE
1.139366173592639521191348935319958...
CROSSREFS
KEYWORD
cons,nonn
AUTHOR
Marco Ripà, Dec 26 2020
EXTENSIONS
More terms from Amiram Eldar, Dec 27 2020
STATUS
approved