A086324 Number of n X n circulant singular matrices over GF(2).

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

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