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A162060 Number of n X n symmetric binary arrays with rows, considered as graycode numbers, in nondecreasing order, and no more than 5 ones in any row or column 0
2, 6, 18, 100, 794, 10414, 190428, 4659387, 143848365, 5430367157, 242216815664, 12631766954130, 754181337363809 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
LINKS
CROSSREFS
Sequence in context: A052687 A302546 A162059 * A162061 A162062 A162063
KEYWORD
nonn
AUTHOR
R. H. Hardin Jun 25 2009
STATUS
approved

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Last modified March 29 02:23 EDT 2024. Contains 371264 sequences. (Running on oeis4.)