login
The OEIS is supported by the many generous donors to the OEIS Foundation.

 

Logo
Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A008777 Number of dots and dashes used when representing n-th letter in Morse code. 6

%I #12 Jun 22 2020 23:41:41

%S 2,4,4,3,1,4,3,4,2,4,3,4,2,2,3,4,4,3,3,1,3,4,3,4,4,4

%N Number of dots and dashes used when representing n-th letter in Morse code.

%C Number of digits of A059852 written in base 3.

%F a(n) = floor(log_3(A059852(n)) + 1. - _M. F. Hasler_, Jun 22 2020

%o (PARI) apply( {A008777(n)=logint(A059852[n],3)+1}, [1..26]) \\ assuming that A059852 is a vector rather than a function. - _M. F. Hasler_, Jun 22 2020

%Y Cf. A059852 (Morse code for letters A-Z, read in base 3).

%K nonn,fini,word,full

%O 1,1

%A _N. J. A. Sloane_.

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Style Sheet | Transforms | Superseeker | Recents
The OEIS Community | Maintained by The OEIS Foundation Inc.

License Agreements, Terms of Use, Privacy Policy. .

Last modified May 11 06:07 EDT 2024. Contains 372388 sequences. (Running on oeis4.)