A008777 Number of dots and dashes used when representing n-th letter in Morse code.

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

Offset: 1

Author

N. J. A. Sloane

Keywords

• nonn
• fini
• word
• full

Comments

Number of digits of A059852 written in base 3.

Crossrefs

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

Programs

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

Formula

a(n) = floor(log_3(A059852(n))) + 1. - M. F. Hasler, Jun 22 2020