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A162079 Number of n X n symmetric 0..3 arrays with rows, considered as 4-ary numbers, in nondecreasing order 1
4, 34, 784, 55759, 12899284, 10000841284, 26576772382759, 246536065153505959, 8102697426477665232634, 955064733192276340384536034, 407800526115803629512654763147159 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

R. H. Hardin, Table of n, a(n) for n=1..13

CROSSREFS

Sequence in context: A222789 A326206 A088077 * A113231 A055621 A000860

Adjacent sequences:  A162076 A162077 A162078 * A162080 A162081 A162082

KEYWORD

nonn

AUTHOR

R. H. Hardin Jun 25 2009

STATUS

approved

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Last modified September 27 04:10 EDT 2021. Contains 347673 sequences. (Running on oeis4.)