A034240 Number of quaternary codes of length 9 with n words.

1, 1, 9, 179, 40719, 106287822, 1295484202258, 28080454247154740, 720645869857713416245, 18726377123294059174412659, 464647323565599860735629425620, 10778588361453642047099243794276139

Offset: 0

Author

N. J. A. Sloane

Keywords

• nonn
• fini

Comments

a(4^9)=1 is the last term. - Sean A. Irvine, Aug 08 2020

Links

• H. Fripertinger, Isometry Classes of Codes
• H. Fripertinger, Enumeration, construction and random generation of block codes, Designs, Codes, Crypt., 14 (1998), 213-219.

Crossrefs

Cf. A034188-.