A222555 T(n,k)=Number of length (n+k)X1 arrays of occupancy after each element moves up to +-k places but not 0.

1, 7, 2, 31, 20, 4, 121, 102, 64, 8, 456, 427, 359, 208, 16, 1709, 1668, 1562, 1279, 651, 32, 6427, 6372, 6220, 5761, 4537, 2056, 64, 24301, 24230, 24024, 23341, 21239, 15929, 6496, 128, 92368, 92279, 92011, 91052, 87752, 78245, 56041, 20483, 256, 352705

Offset: 1

Author

R. H. Hardin Feb 24 2013

Keywords

• nonn
• tabl

Comments

Table starts

...1.....7.....31....121....456...1709...6427..24301..92368.352705

...2....20....102....427...1668...6372..24230..92279.352596

...4....64....359...1562...6220..24024..92011.352258

...8...208...1279...5761..23341..91052.350967

..16...651...4537..21239..87752.346091

..32..2056..15929..78245.330274

..64..6496..56041.287858

.128.20483.197313

.256.64627

.512

Examples

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

Links

• R. H. Hardin, Table of n, a(n) for n = 1..55

Crossrefs

Column 1 is A000079(n-1)

Row 1 is A048775