A034216 Number of ternary codes of length 4 with n words.

1, 1, 4, 20, 144, 1245, 12473, 120213, 1067757, 8508432, 60801152, 391078610, 2277606189, 12079172109, 58646808981, 261900799332, 1080219903328, 4129996450120, 14683917874810, 48687786994190, 150930310833366

Offset: 0

Author

N. J. A. Sloane

Keywords

• nonn
• fini
• full

Links

• Sean A. Irvine, Table of n, a(n) for n = 0..81
• 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-.