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A004118 Excess of a Hadamard matrix of order 4n.
(Formerly M4489)
+0
1
0, 8, 20, 36, 64, 80, 112 (list; graph; listen)
OFFSET

0,2

REFERENCES

Best, M. R. The excess of a Hadamard matrix. Nederl. Akad. Wetensch. Proc. Ser. A {80}=Indag. Math. 39 (1977), no. 5, 357-361.

CROSSREFS

Sequence in context: A017617 A038522 A139570 this_sequence A073607 A086062 A006416

Adjacent sequences: A004115 A004116 A004117 this_sequence A004119 A004120 A004121

KEYWORD

nonn,hard

AUTHOR

njas

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Last modified July 24 12:00 EDT 2008. Contains 142294 sequences.


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