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!)
A213295 Number of n-length words w over 7-ary alphabet such that for every prefix z of w we have #(z,a_i) = 0 or #(z,a_i) >= #(z,a_j) for all j>i and #(z,a_i) counts the occurrences of the i-th letter in z. 1
1, 7, 49, 280, 1414, 6104, 23527, 83916, 296268, 1050777, 3771418, 13717679, 50861266, 191950441, 739460834, 2901202157, 11612278801, 47307362988, 196385040929, 828929230122, 3560359729835, 15531007871015, 68843517673532, 309567264833019, 1412620935530761 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,2

LINKS

Table of n, a(n) for n=0..24.

CROSSREFS

Column k=7 of A213276.

Sequence in context: A293887 A224131 A218266 * A189258 A188748 A188986

Adjacent sequences:  A213292 A213293 A213294 * A213296 A213297 A213298

KEYWORD

nonn

AUTHOR

Alois P. Heinz, Jun 08 2012

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 January 20 06:12 EST 2022. Contains 350467 sequences. (Running on oeis4.)