A233954 Number of (n+1)X(4+1) 0..5 arrays with every 2X2 subblock having the sum of the squares of the edge differences equal to 10, and no two adjacent values equal

8336, 152216, 2805732, 52918992, 998464148, 18908052288, 357835576968, 6778283795436, 128347877009696, 2431104574304708, 46039609583181020, 872023610385806616, 16514948277805293972, 312797883844524105416

Offset

1,1

Comments

Column 4 of A233958

Links

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

Example

Some solutions for n=2
..1..2..1..2..1....1..3..1..3..2....4..5..3..2..4....1..2..1..2..4
..3..4..3..4..2....3..2..0..2..0....2..4..5..4..3....3..4..3..1..3
..1..3..5..3..4....1..3..2..3..2....3..5..3..2..1....1..2..1..0..1

Crossrefs

Sequence in context: A062852 A124414 A124415 * A224465 A049357 A031947

Adjacent sequences: A233951 A233952 A233953 * A233955 A233956 A233957

Keyword

nonn

Author

R. H. Hardin, Dec 18 2013

Status

approved