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A162084 Number of n X n symmetric 0..8 arrays with rows, considered as 9-ary numbers, in nondecreasing order 1
9, 369, 93369, 161564769, 2018093326569, 189015922048553169, 136459237836344452540569, 775114430420686732471724504769, 35190103961078723597189717170137165769 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

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

CROSSREFS

Sequence in context: A197179 A344338 A195888 * A195518 A302131 A051848

Adjacent sequences: A162081 A162082 A162083 * A162085 A162086 A162087

KEYWORD

nonn

AUTHOR

R. H. Hardin Jun 25 2009

STATUS

approved

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Last modified February 8 07:43 EST 2023. Contains 360134 sequences. (Running on oeis4.)