A251954 Number of (n+2)X(4+2) 0..2 arrays with no row, column, diagonal or antidiagonal in any 3X3 subblock summing to 3

922890, 41025310, 2371536636, 146613818422, 9379424889214, 608058611665734, 39605904141383754, 2584524088734500856, 168778628082765943410, 11024933232341164873992, 720248214368222381255664

Offset

1,1

Comments

Column 4 of A251955

Links

R. H. Hardin, Table of n, a(n) for n = 1..35

Example

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

Crossrefs

Sequence in context: A360907 A321323 A156428 * A098208 A251172 A105011

Adjacent sequences: A251951 A251952 A251953 * A251955 A251956 A251957

Keyword

nonn

Author

R. H. Hardin, Dec 11 2014

Status

approved