A086324 - OEIS

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A086324

Number of n X n circulant singular matrices over GF(2).

3

1, 2, 5, 8, 17, 40, 79, 128, 323, 544, 1025, 2560, 4097, 10112, 22643, 32768, 66047, 165376, 262145, 557056, 1513709, 2099200, 4198399, 10485760, 17825807, 33562624, 84672701, 165675008, 268435457, 741965824, 1259979967, 2147483648, 5378137091, 8656912384

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OFFSET

1,2

LINKS

Alois P. Heinz, Table of n, a(n) for n = 1..1000

FORMULA

a(n) = 2^n - A003473(n).

CROSSREFS

Cf. A003473, A002416.

Sequence in context: A112361 A343129 A050872 * A293830 A073708 A024460

Adjacent sequences: A086321 A086322 A086323 * A086325 A086326 A086327

KEYWORD

nonn

AUTHOR

Yuval Dekel (dekelyuval(AT)hotmail.com), Aug 30 2003

EXTENSIONS

a(10)-a(34) from Alois P. Heinz, Mar 16 2017

STATUS

approved