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A034361 Number of binary [ n,7 ] codes. 3
0, 0, 0, 0, 0, 0, 1, 8, 43, 213, 1060, 5468, 29765, 173035, 1074526, 7059804, 48235007, 336048291, 2345912476, 16193974418, 109563962854, 722594600193, 4631590699334, 28811338570224, 173868030213652 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,8

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.

Column k=7 of both A034356 and A076831 (which are the same except for column k=0).

First differences give A034348.

Sequence in context: A282523 A099253 A239033 * A117617 A111365 A199321

Adjacent sequences:  A034358 A034359 A034360 * A034362 A034363 A034364

KEYWORD

nonn

AUTHOR

N. J. A. Sloane.

STATUS

approved

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Last modified November 13 20:57 EST 2019. Contains 329106 sequences. (Running on oeis4.)