A228631 Number of s in {1,...,n}^n having shortest run with the same value of length 5.

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

Alois P. Heinz, Table of n, a(n) for n = 5..180

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

Adjacent sequences: A228628 A228629 A228630 * A228632 A228633 A228634

Keyword

nonn

Author

Alois P. Heinz, Aug 28 2013

Status

approved