A234119 Number of (n+1)X(5+1) 0..2 arrays with every 2X2 subblock having the absolute values of all six edge and diagonal differences no larger than 1

14527, 1082977, 79003521, 5807422543, 427196005695, 31446640848897, 2315408571668225, 170502665692732079, 12556134956123911615, 924677153131389366689, 68097056429203867060865, 5014969801413653091728655

Offset

1,1

Comments

Column 5 of A234122

Links

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

Formula

Empirical: a(n) = 104*a(n-1) -1893*a(n-2) -33284*a(n-3) +535522*a(n-4) +4829920*a(n-5) -36672922*a(n-6) -308181352*a(n-7) +266551299*a(n-8) +4516883912*a(n-9) +2174714575*a(n-10) -20675388468*a(n-11) -11598332564*a(n-12) +40919536464*a(n-13) +9741869952*a(n-14) -32943946752*a(n-15) +6233518080*a(n-16) +2468413440*a(n-17)

Example

Some solutions for n=1
..2..2..2..2..1..2....0..1..0..1..0..1....1..2..1..1..2..2....1..1..2..1..1..2
..1..2..1..1..1..1....1..1..1..0..1..1....2..2..1..2..1..1....0..1..2..2..1..2

Crossrefs

Sequence in context: A210050 A203815 A076165 * A253116 A202489 A213810

Adjacent sequences: A234116 A234117 A234118 * A234120 A234121 A234122

Keyword

nonn

Author

R. H. Hardin, Dec 19 2013

Status

approved