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A228631
Number of s in {1,...,n}^n having shortest run with the same value of length 5.
2
5, 0, 0, 0, 0, 90, 220, 264, 312, 364, 3360, 11280, 26656, 47430, 74556, 246240, 824040, 2242086, 5166260, 10272168, 26698800, 81381300, 233188956, 593255880, 1353111928, 3416572650, 9872919060, 28825911968, 78295457856, 194146795920, 496358103500
OFFSET
5,1
LINKS
EXAMPLE
a(5) = 5: [1,1,1,1,1], [2,2,2,2,2], [3,3,3,3,3], [4,4,4,4,4], [5,5,5,5,5].
a(10) = 2*C(10,2) = 90: [1,1,1,1,1,2,2,2,2,2], ..., [10,10,10,10,10,9,9,9,9,9].
CROSSREFS
Column k=5 of A228617.
Sequence in context: A284104 A369732 A260911 * A101194 A196344 A106222
KEYWORD
nonn
AUTHOR
Alois P. Heinz, Aug 28 2013
STATUS
approved