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
Keywords
Links
- Alois P. Heinz, Table of n, a(n) for n = 1..1000
Formula
a(n) = 2^n - A003473(n).
Extensions
a(10)-a(34) from Alois P. Heinz, Mar 16 2017