A236052 Number of (n+1)X(5+1) 0..2 arrays colored with the difference of the maximum and minimum in each 2X2 subblock

13716, 38700, 103986, 258432, 773442, 1937236, 5670054, 14489552, 42828498, 109031092, 320881554, 817053704, 2395172938, 6123040492, 17954877350, 45915372488, 134582582770, 344158810996, 1007983744014, 2579226990872

Offset

1,1

Comments

Column 5 of A236055

Links

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

Formula

Empirical: a(n) = 7*a(n-2) +10*a(n-4) +15*a(n-6) -314*a(n-8) -1389*a(n-10) +1365*a(n-12) +3415*a(n-14) +2472*a(n-16) +2424*a(n-18) +3384*a(n-20) -6192*a(n-22) +1152*a(n-24) -2304*a(n-26) for n>29

Example

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

Crossrefs

Sequence in context: A204369 A226020 A157669 * A178486 A236708 A205259

Adjacent sequences: A236049 A236050 A236051 * A236053 A236054 A236055

Keyword

nonn

Author

R. H. Hardin, Jan 18 2014

Status

approved