A162033 Number of n X n symmetric binary arrays with rows, considered as binary numbers, in nondecreasing order, and all but the outermost 7 rows or columns zero

12062839548612627177590, 16806092138771527945440553, 21426543407547768431255510566, 25593279760991200204777303175565, 28710773607479112857974893233396825

Offset

14,1

Links

R. H. Hardin, Table of n, a(n) for n=14..19

Crossrefs

Sequence in context: A180247 A095440 A326414 * A246254 A238360 A304373

Adjacent sequences: A162030 A162031 A162032 * A162034 A162035 A162036

Keyword

nonn

Author

R. H. Hardin Jun 25 2009

Status

approved