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A180296
Number of arrangements of n indistinguishable balls in n boxes with the maximum number of balls in any box equal to n-6.
1
1, 1106, 9912, 27600, 54450, 96030, 160888, 259896, 406980, 620160, 922488, 1343034, 1917993, 2691920, 3719100, 5065060, 6808230, 9041760, 11875500, 15438150, 19879587, 25373376, 32119472, 40347120, 50317960, 62329344, 76717872
OFFSET
7,2
LINKS
FORMULA
Empirical: a(n) = n*binomial(n+4,n-2) for n>12.
CROSSREFS
n-6th entry in rows of A180281.
Sequence in context: A275881 A291616 A291612 * A252552 A295991 A157376
KEYWORD
nonn
AUTHOR
R. H. Hardin, formula from Robert Gerbicz in the Sequence Fans Mailing List, Aug 24 2010
STATUS
approved