A258562 Number of (n+2)X(2+2) 0..2 arrays with no 3x3 subblock diagonal sum equal to the antidiagonal sum or central row sum equal to the central column sum

179776, 4884100, 134652816, 3749847696, 103717490704, 2859893618884, 79025557095424, 2186180765718544, 60436066572750400, 1669986326796722064, 46157911722096725056, 1276016937808498835524, 35271105508345095065664

Offset

1,1

Comments

Column 2 of A258564

Links

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

Example

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

Crossrefs

Cf. A258564

Sequence in context: A056748 A247113 A186062 * A362807 A204787 A060232

Adjacent sequences: A258559 A258560 A258561 * A258563 A258564 A258565

Keyword

nonn

Author

R. H. Hardin, Jun 03 2015

Status

approved