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A162026 Number of n X n binary arrays with rows and columns, considered as binary numbers, in nondecreasing order, and all but the outermost 3 rows or columns zero 1
2625117, 418359533, 56219367467, 6144528106682, 548204325152913, 40259458022421467, 2459423031960929619, 126628140635392555678, 5571623612309259817169, 212305284787632565767210 (list; graph; refs; listen; history; text; internal format)
OFFSET

6,1

LINKS

R. H. Hardin, Table of n, a(n) for n=6..17

CROSSREFS

Sequence in context: A123155 A251036 A233723 * A229799 A196496 A105380

Adjacent sequences:  A162023 A162024 A162025 * A162027 A162028 A162029

KEYWORD

nonn

AUTHOR

R. H. Hardin Jun 25 2009

STATUS

approved

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Last modified June 15 11:44 EDT 2021. Contains 345048 sequences. (Running on oeis4.)