A233997 T(n,k)=Number of (n+1)X(k+1) 0..6 arrays with every 2X2 subblock having the sum of the absolute values of all six edge and diagonal differences equal to 18

164, 774, 774, 3496, 3040, 3496, 17156, 11622, 11622, 17156, 81200, 51026, 38220, 51026, 81200, 409848, 218602, 150572, 150572, 218602, 409848, 1995424, 1058618, 578992, 560408, 578992, 1058618, 1995424, 10261264, 4923910, 2642176, 2021016

Offset

1,1

Comments

Table starts

.......164.......774.......3496......17156.......81200......409848.....1995424

.......774......3040......11622......51026......218602.....1058618.....4923910

......3496.....11622......38220.....150572......578992.....2642176....11510748

.....17156.....51026.....150572.....560408.....2021016.....9191620....39038268

.....81200....218602.....578992....2021016.....6692724....29399672...117312896

....409848...1058618....2642176....9191620....29399672...134489796...533896296

...1995424...4923910...11510748...39038268...117312896...533896296..1997753492

..10261264..25667010...59677576..213791308...650719408..3264749708.12585162304

..50945472.126489782..286598096.1031265884..3041797872.15542978456

.264997984.690800294.1625122820.6478189956.20530088132

Links

R. H. Hardin, Table of n, a(n) for n = 1..112

Example

Some solutions for n=3 k=4
..0..6..5..6..0....0..5..2..6..0....5..0..5..5..1....1..6..4..5..5
..5..5..0..5..5....3..0..5..1..1....0..3..0..2..6....4..1..1..0..6
..2..0..3..0..2....0..5..2..6..0....5..0..5..5..1....5..0..6..1..1
..2..6..3..6..2....6..5..0..2..2....6..5..2..0..4....0..3..3..6..4

Crossrefs

Sequence in context: A063354 A240248 A105653 * A233990 A223455 A251197

Adjacent sequences: A233994 A233995 A233996 * A233998 A233999 A234000

Keyword

nonn,tabl

Author

R. H. Hardin, Dec 18 2013

Status

approved