A162086 Number of n X n 0..3 arrays with rows and columns, considered as 4-ary numbers, in nondecreasing order

4, 86, 14178, 21907055, 348053502590, 60704077222861152, 122233352821430587249163, 2957950981271006387648141644093

Offset

1,1

Links

Table of n, a(n) for n=1..8.

Crossrefs

Sequence in context: A130268 A293318 A204460 * A116320 A220277 A122209

Adjacent sequences: A162083 A162084 A162085 * A162087 A162088 A162089

Keyword

nonn

Author

R. H. Hardin Jun 25 2009

Status

approved