|
|
A162095
|
|
Number of n X n symmetric binary arrays with rows, considered as binary numbers, in strictly increasing order, and no more than 5 ones in any row
|
|
0
|
|
|
2, 3, 9, 48, 438, 6377, 126669, 3292900, 104320191, 3946694150, 175609255247, 9053540315118, 533880519494913
(list;
graph;
refs;
listen;
history;
text;
internal format)
|
|
|
OFFSET
|
1,1
|
|
LINKS
|
|
|
CROSSREFS
|
|
|
KEYWORD
|
nonn
|
|
AUTHOR
|
|
|
STATUS
|
approved
|
|
|
|