A229519 Number of n X 6 0..2 arrays of the median of the corresponding element, the element to the east and the element to the south in a larger (n+1) X 7 0..2 array without adjacent equal elements in the latter.

211, 6433, 124431, 2223913, 39543877, 701321971, 12425155219, 220821219009, 3914741097513, 69595647732915, 1234614403866689, 21943363210971727, 389442314587433555, 6919797118800646669, 122843524374841634045

Offset

1,1

Comments

Column 6 of A229521.

Links

R. H. Hardin, Table of n, a(n) for n = 1..65

Example

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

Crossrefs

Cf. A229521.

Sequence in context: A185719 A224101 A013529 * A289983 A212851 A069425

Adjacent sequences: A229516 A229517 A229518 * A229520 A229521 A229522

Keyword

nonn

Author

R. H. Hardin, Sep 25 2013

Status

approved