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A034351 Number of indecomposable binary [ n,4 ] codes without 0 columns. 1
0, 0, 0, 0, 1, 3, 10, 28, 71, 165, 361, 754, 1503, 2893, 5393, 9773, 17273, 29860, 50557, 84024, 137228, 220542, 349128, 544980, 839453 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,6

REFERENCES

H. Fripertinger and A. Kerber, in AAECC-11, Lect. Notes Comp. Sci. 948 (1995), 194-204.

LINKS

Table of n, a(n) for n=1..25.

H. Fripertinger, Isometry Classes of Codes

CROSSREFS

Cf. A034253, A034254, A034344-.

Sequence in context: A267707 A221647 A062431 * A182737 A320244 A128135

Adjacent sequences:  A034348 A034349 A034350 * A034352 A034353 A034354

KEYWORD

nonn

AUTHOR

N. J. A. Sloane.

STATUS

approved

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Last modified April 18 12:41 EDT 2021. Contains 343087 sequences. (Running on oeis4.)