|
|
A054722
|
|
Triangle of coefficients of polynomials arising in enumeration of periodic sequences.
|
|
1
|
|
|
1, 1, 1, 1, 1, 1, 1, 2, 3, 1, 1, 2, 5, 3, 1, 1, 3, 13, 18, 7, 1, 1, 3, 20, 50, 43, 9, 1, 1, 4, 36, 136, 221, 126, 19, 1, 1, 4, 52, 296, 773, 866, 339, 29, 1, 1, 5, 78, 596, 2303, 4281, 3437, 946, 55, 1, 1, 5, 105, 1080, 5817, 16317, 22430, 13250, 2591, 93, 1
(list;
table;
graph;
refs;
listen;
history;
text;
internal format)
|
|
|
OFFSET
|
1,8
|
|
REFERENCES
|
E. N. Gilbert and J. Riordan, Symmetry types of periodic sequences, Illinois J. Math., 5 (1961), 657-665.
|
|
LINKS
|
|
|
EXAMPLE
|
1; 1,1; 1,1,1; 1,2,3,1; ...
|
|
CROSSREFS
|
|
|
KEYWORD
|
|
|
AUTHOR
|
|
|
EXTENSIONS
|
|
|
STATUS
|
approved
|
|
|
|