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A079918
Solution to the Dancing School Problem with 13 girls and n+13 boys: f(13,n).
1
1, 14, 2567, 79544, 1596800, 20789082, 196933710, 1450606028, 8719846960, 44321202192, 195717772000, 767025716736, 2713659864832, 8787898861568
OFFSET
0,2
COMMENTS
f(g,h) = per(B), the permanent of the (0,1)-matrix B of size g X g+h with b(i,j)=1 if and only if i <= j <= i+h. See A079908 for more information.
For fixed g, f(g,n) is polynomial in n for n >= g-2. See reference.
REFERENCES
Jaap Spies, Dancing School Problems, Nieuw Archief voor Wiskunde 5/7 nr. 4, Dec 2006, pp. 283-285.
LINKS
Jaap Spies, Dancing School Problems, Nieuw Archief voor Wiskunde 5/7 nr. 4, Dec 2006, pp. 283-285.
CROSSREFS
KEYWORD
nonn,more
AUTHOR
Jaap Spies, Jan 28 2003
EXTENSIONS
Corrected by Jaap Spies, Feb 01 2004
STATUS
approved