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A114451 Number of distinct permanents of n X n circulant (0,1)-matrices with 3 ones per row. 0
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 (list; graph; refs; listen; history; text; internal format)
OFFSET

3,4

REFERENCES

G. Resta and G. 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.

LINKS

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

CROSSREFS

Sequence in context: A242309 A275663 A060585 * A142246 A080428 A120004

Adjacent sequences:  A114448 A114449 A114450 * A114452 A114453 A114454

KEYWORD

nonn

AUTHOR

Giovanni Resta, Feb 14 2006

STATUS

approved

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Last modified December 15 22:30 EST 2018. Contains 318154 sequences. (Running on oeis4.)