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A162081 Number of n X n symmetric 0..5 arrays with rows, considered as 6-ary numbers, in nondecreasing order 1
6, 111, 8441, 2951871, 4990997276, 42227736188406, 1835170482716726511, 417963227425376901238466, 506719281813970629197724782396, 3310958766723218703784866984459793926 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

R. H. Hardin, Table of n, a(n) for n=1..11

CROSSREFS

Sequence in context: A197765 A024273 A024274 * A296949 A009612 A009798

Adjacent sequences:  A162078 A162079 A162080 * A162082 A162083 A162084

KEYWORD

nonn

AUTHOR

R. H. Hardin Jun 25 2009

STATUS

approved

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Last modified October 26 00:31 EDT 2021. Contains 348256 sequences. (Running on oeis4.)