A034354 - OEIS

A034354

Number of indecomposable binary [ n,7 ] codes without 0 columns.

0, 0, 0, 0, 0, 0, 0, 1, 7, 51, 361, 2484, 16749, 113662, 784390, 5517476, 39291974, 280215385, 1979345466, 13726798428, 92895863119, 611213599093, 3902188079125, 24154847660481, 144967854078943

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OFFSET

1,9

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: A029525 A037500 A037677 * A015555 A137382 A162757

Adjacent sequences: A034351 A034352 A034353 * A034355 A034356 A034357

KEYWORD

nonn

AUTHOR

N. J. A. Sloane

STATUS

approved