|
|
A213870
|
|
Number of words w where each letter of the n-ary alphabet occurs 10 times and 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, 1, 21658, 15456538890, 84386541996407430, 1831976833971352074708780, 109898940874611419792791074271620, 14506158303190746913523011613729321067580, 3612014977093890544877702499165438785779326595871, 1520262998870097218529031803141231246364682853428845871416
(list;
graph;
refs;
listen;
history;
text;
internal format)
|
|
|
OFFSET
|
0,3
|
|
LINKS
|
|
|
EXAMPLE
|
a(0) = 1: the empty word.
a(1) = 1: aaaaaaaaaa.
a(2) = 21658: aaaaaaaaaabbbbbbbbbb, aaaaaaaaababbbbbbbbb, ..., baabababababababaabb, baababababababababab.
|
|
CROSSREFS
|
|
|
KEYWORD
|
nonn
|
|
AUTHOR
|
|
|
STATUS
|
approved
|
|
|
|