A034219 Number of ternary codes of length 7 with n words.

1, 1, 7, 87, 3990, 545544, 131828470, 35754455353, 9300033719253, 2216652346764139, 480242932559153642, 94874768179629903791, 17193541252761002222476, 2876019980110265392778268

Offset

0,3

Links

Sean A. Irvine, Table of n, a(n) for n = 0..2187

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-.

Sequence in context: A020556 A303061 A007803 * A034238 A132486 A297547

Adjacent sequences: A034216 A034217 A034218 * A034220 A034221 A034222

Keyword

nonn,fini,full

Author

N. J. A. Sloane.

Status

approved