login
The OEIS Foundation is supported by donations from users of the OEIS and by a grant from the Simons Foundation.

 

Logo


Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A228619 Number of s in {1,...,n}^n having shortest run with the same value of length one. 2
0, 1, 2, 24, 240, 3080, 46410, 822612, 16771832, 387395856, 9999848700, 285310876620, 8916095279388, 302875076421528, 11112006618140610, 437893889060776260, 18446744064162650880, 827240261820996258848, 39346408074801256997526, 1978419655656704853586044 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,3

LINKS

Alois P. Heinz, Table of n, a(n) for n = 0..180

FORMULA

a(n) ~ n^n. - Vaclav Kotesovec, Aug 29 2014

EXAMPLE

a(1) = 1: [1].

a(2) = 2: [1,2], [2,1].

a(3) = 24: [1,1,2], [1,1,3], [1,2,1], [1,2,2], [1,2,3], [1,3,1], [1,3,2], [1,3,3], [2,1,1], [2,1,2], [2,1,3], [2,2,1], [2,2,3], [2,3,1], [2,3,2], [2,3,3], [3,1,1], [3,1,2], [3,1,3], [3,2,1], [3,2,2], [3,2,3], [3,3,1], [3,3,2].

CROSSREFS

Column k=1 of A228617.

Sequence in context: A025131 A270564 A143407 * A252764 A215929 A132596

Adjacent sequences:  A228616 A228617 A228618 * A228620 A228621 A228622

KEYWORD

nonn

AUTHOR

Alois P. Heinz, Aug 27 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 | Recent
The OEIS Community | Maintained by The OEIS Foundation Inc.

License Agreements, Terms of Use, Privacy Policy. .

Last modified May 30 05:35 EDT 2020. Contains 334712 sequences. (Running on oeis4.)