A162130 Number of n X n symmetric 0..5 arrays with rows, considered as 6-ary numbers, in strictly increasing order.

6, 105, 8225, 2926875, 4979240000, 42202810636875, 1834917191105643750, 417950382118605762343750, 506715938159533635294561406250, 3310954206264728900087517291318046875

Offset

1,1

Links

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

Crossrefs

Sequence in context: A013300 A330769 A109819 * A048707 A259156 A075068

Adjacent sequences: A162127 A162128 A162129 * A162131 A162132 A162133

Keyword

nonn

Author

R. H. Hardin, Jun 25 2009

Status

approved