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A253341
Number of (n+2)X(7+2) nonnegative integer arrays with all values the knight distance from the upper left minus as much as 3, with successive minimum path knight move differences either 0 or +1, and any unreachable value zero.
1
319172, 7426426, 237047904, 6203113283, 143441370184, 3788905574401, 98349771149487, 1926953342923239, 46982876350047054, 912616386638325080, 16956678061495627361, 235791177168459306126, 4988065327432414551378
OFFSET
1,1
COMMENTS
Column 7 of A253342.
LINKS
EXAMPLE
Some solutions for n=1
..0..1..0..1..1..1..2..2..2....0..1..1..0..0..1..1..2..1
..0..2..0..1..1..2..2..2..3....1..1..0..1..1..1..1..1..2
..1..0..1..1..1..2..2..3..2....0..0..1..1..0..1..1..2..1
Knight distance matrix for n=1
..0..3..2..3..2..3..4..5..4
..3..4..1..2..3..4..3..4..5
..2..1..4..3..2..3..4..5..4
CROSSREFS
Sequence in context: A186623 A202468 A251528 * A210317 A205931 A236318
KEYWORD
nonn
AUTHOR
R. H. Hardin, Dec 30 2014
STATUS
approved