A233994 Number of (n+1)X(5+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

81200, 218602, 578992, 2021016, 6692724, 29399672, 117312896, 650719408, 3041797872, 20530088132, 107132361396, 816794178268, 4543544893340, 36745106078264, 211774207628524, 1752928341430740, 10317980059135692

Offset

1,1

Comments

Column 5 of A233997

Links

R. H. Hardin, Table of n, a(n) for n = 1..56

Example

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

Crossrefs

Sequence in context: A218106 A064001 A252625 * A237942 A274033 A029752

Adjacent sequences: A233991 A233992 A233993 * A233995 A233996 A233997

Keyword

nonn

Author

R. H. Hardin, Dec 18 2013

Status

approved