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A065763 Number of invertible Steinhaus matrices of order n. 0
1, 0, 4, 3, 10, 12, 76, 122, 278, 596, 1502, 3057, 6758, 13643, 29333, 59454, 121967 (list; graph; refs; listen; history; text; internal format)
OFFSET

2,3

LINKS

Table of n, a(n) for n=2..18.

W. Dymacek, Definition of Steinhaus matrix

CROSSREFS

Cf. A003660 A003661 A003661 A007813.

Sequence in context: A316196 A081617 A103252 * A185730 A205965 A242391

Adjacent sequences:  A065760 A065761 A065762 * A065764 A065765 A065766

KEYWORD

nonn

AUTHOR

Felix Goldberg (felixg(AT)tx.technion.ac.il), Dec 04 2001

EXTENSIONS

More terms from Vladeta Jovovic, Dec 07 2001

STATUS

approved

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Last modified August 15 02:47 EDT 2022. Contains 356122 sequences. (Running on oeis4.)