A229518 Number of n X 5 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 6 0..2 array without adjacent equal elements in the latter.

91, 1751, 23059, 275243, 3336437, 39543877, 476435051, 5674074209, 68219097971, 814769931161, 9781725263921, 116995909271027, 1403306980742023, 16797171022505615, 201366600573393261, 2411277822466400339

Offset

1,1

Comments

Column 5 of A229521.

Links

R. H. Hardin, Table of n, a(n) for n = 1..209

Example

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

Crossrefs

Cf. A229521.

Sequence in context: A221939 A254611 A184462 * A118706 A119150 A008394

Adjacent sequences: A229515 A229516 A229517 * A229519 A229520 A229521

Keyword

nonn

Author

R. H. Hardin, Sep 25 2013

Status

approved