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A079928
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Solution to the Dancing School Problem with n girls and n+9 boys: f(n,9).
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20
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10, 91, 756, 5766, 40688, 268108, 1666000, 9856552, 56010096, 308055528, 1650607040, 8641355080, 44321202192, 223245029176, 1106667645872, 5409040818588, 26108349881112, 124618084809174, 588875653169028
(list; graph; refs; listen; history; internal format)
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OFFSET
| 1,1
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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.
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REFERENCES
| Jaap Spies, Dancing School Problems, Nieuw Archief voor Wiskunde 5/7 nr. 4, Dec 2006, p. 283-285.
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LINKS
| Jaap Spies, Dancing School Problems, Permanent solutions of Problem 29.
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CROSSREFS
| Cf. A079908-A079927.
Sequence in context: A119047 A143572 A002739 * A002452 A096261 A015455
Adjacent sequences: A079925 A079926 A079927 * A079929 A079930 A079931
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KEYWORD
| nonn
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AUTHOR
| Jaap Spies (j.spies(AT)hccnet.nl), Jan 28 2003
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EXTENSIONS
| Corrected by Jaap Spies (j.spies(AT)hccnet.nl), Feb 01 2004
More terms Dec 15 2006
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