A114451 Number of distinct permanents of n X n circulant (0,1)-matrices with 3 ones per row.

1, 1, 1, 3, 2, 3, 3, 3, 2, 8, 3, 6, 7, 8, 3, 11, 4, 10, 10, 7, 3, 21, 6, 10, 9, 16, 5, 24, 6, 17, 12, 12, 12, 29, 7, 14, 15, 26, 7, 34, 8, 21, 22, 15, 8, 45, 12, 22, 17, 26, 9, 35, 16, 37, 20, 20, 10, 63, 11

Offset

3,4

Links

Table of n, a(n) for n=3..61.

Giovanni Resta and Giovanni Sburlati, On the number of different permanents of some sparse (0,1)-circulant matrices, Linear Algebra and its Applications, Vol. 375 (2003), pp. 197-209.

Crossrefs

Sequence in context: A275663 A369100 A060585 * A142246 A080428 A343886

Adjacent sequences: A114448 A114449 A114450 * A114452 A114453 A114454

Keyword

nonn

Author

Giovanni Resta, Feb 14 2006

Status

approved