A162055 Number of n X n binary arrays with rows and columns, considered as binary numbers, in nondecreasing order, and an odd number of 1's in each row or column.

1, 1, 3, 12, 97, 2133, 143255, 31015645, 21966240871, 51191024327372

Offset

1,3

Links

Table of n, a(n) for n=1..10.

Crossrefs

Sequence in context: A078124 A115245 A145074 * A067300 A133359 A102687

Adjacent sequences: A162052 A162053 A162054 * A162056 A162057 A162058

Keyword

nonn

Author

R. H. Hardin, Jun 25 2009

Status

approved