A034234 Number of quaternary codes of length 3 with n words.

1, 1, 3, 10, 55, 254, 1643, 10164, 63488, 364843, 1930906, 9262768, 40411006, 160421289, 581839267, 1934022164

Offset

0,3

Links

Sean A. Irvine, Table of n, a(n) for n = 0..64

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: A208480 A342966 A359976 * A284645 A393309 A081721

Adjacent sequences: A034231 A034232 A034233 * A034235 A034236 A034237

Keyword

nonn,fini,full

Author

N. J. A. Sloane

Status

approved