A266105 Number of 5Xn integer arrays with each element equal to the number of horizontal and antidiagonal neighbors exactly one smaller than itself.

1, 105, 1012, 4893, 53442, 841668, 9880139, 100419691, 1161577640, 14330198186, 167677854928, 1911970639884, 22299927996030, 263303415557409, 3080790433186207, 35842524252682997, 418663357107133083

Offset

1,2

Comments

Row 5 of A266101.

Links

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

Example

Some solutions for n=4
..1..0..0..0....0..0..1..2....0..0..0..1....0..1..1..0....0..0..1..1
..0..0..0..0....0..2..1..1....0..0..1..2....2..1..1..2....1..2..0..1
..1..2..0..0....0..0..0..1....0..1..1..1....0..1..1..0....0..0..1..2
..1..0..0..1....1..1..1..1....1..0..0..0....2..1..0..1....0..2..1..1
..1..2..1..0....1..0..0..1....0..0..0..1....2..1..1..0....0..0..0..0

Crossrefs

Cf. A266101.

Sequence in context: A228303 A033593 A297542 * A058844 A297800 A165382

Adjacent sequences: A266102 A266103 A266104 * A266106 A266107 A266108

Keyword

nonn

Author

R. H. Hardin, Dec 21 2015

Status

approved