The OEIS mourns the passing of Jim Simons and is grateful to the Simons Foundation for its support of research in many branches of science, including the OEIS.
login
The OEIS is supported by the many generous donors to the OEIS Foundation.

 

Logo
Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A228622 Number of s in {1,...,n}^n having shortest run with the same value of length 3. 2
3, 0, 0, 30, 84, 112, 720, 2610, 6820, 29304, 112632, 343434, 1452780, 5962080, 20437536, 84860838, 366294996, 1383836500, 5823855240, 25918399122, 105425762860, 455785055328, 2084426266800, 8978844486300, 40011097380228, 187614063121716, 846902215710488 (list; graph; refs; listen; history; text; internal format)
OFFSET
3,1
LINKS
EXAMPLE
a(3) = 3: [1,1,1], [2,2,2], [3,3,3].
a(6) = 2*C(6,2) = 30: [1,1,1,2,2,2], ..., [6,6,6,5,5,5].
CROSSREFS
Column k=3 of A228617.
Sequence in context: A368348 A278188 A101192 * A037288 A215519 A215679
KEYWORD
nonn
AUTHOR
Alois P. Heinz, Aug 28 2013
STATUS
approved

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Style Sheet | Transforms | Superseeker | Recents
The OEIS Community | Maintained by The OEIS Foundation Inc.

License Agreements, Terms of Use, Privacy Policy. .

Last modified May 22 17:27 EDT 2024. Contains 372758 sequences. (Running on oeis4.)