|
|
A079928
|
|
Solution to the Dancing School Problem with n girls and n+9 boys: f(n,9).
|
|
20
|
|
|
10, 91, 756, 5766, 40688, 268108, 1666000, 9856552, 56010096, 308055528, 1650607040, 8641355080, 44321202192, 223245029176, 1106667645872, 5409040818588, 26108349881112, 124618084809174, 588875653169028
(list;
graph;
refs;
listen;
history;
text;
internal format)
|
|
|
OFFSET
|
1,1
|
|
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.
|
|
LINKS
|
|
|
CROSSREFS
|
|
|
KEYWORD
|
nonn
|
|
AUTHOR
|
|
|
EXTENSIONS
|
More terms Dec 15 2006
|
|
STATUS
|
approved
|
|
|
|