A236947 Number of (n+1)X(6+1) 0..3 arrays with the maximum of every 2X2 subblock equal

50119046, 302691231316, 1323313139705714, 6794451721009466204, 32488935392023264106410, 160577378511458058360114308, 781823560338383397085729582626, 3832895458274770553771655475955180

Offset

1,1

Comments

Column 6 of A236949

Links

R. H. Hardin, Table of n, a(n) for n = 1..210

R. H. Hardin, Empirical recurrence of order 55

Formula

Empirical recurrence of order 55 (see link above)

Example

Some solutions for n=1
..0..0..0..0..2..3..3....0..0..0..0..0..1..3....0..0..0..0..2..1..0
..1..3..0..3..3..0..2....3..1..3..2..3..2..3....0..2..1..2..1..1..2

Crossrefs

Sequence in context: A271020 A358018 A227797 * A348069 A375351 A080796

Adjacent sequences: A236944 A236945 A236946 * A236948 A236949 A236950

Keyword

nonn

Author

R. H. Hardin, Feb 01 2014

Status

approved