login
This site is supported by donations to The OEIS Foundation.

 

Logo


Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A236052 Number of (n+1)X(5+1) 0..2 arrays colored with the difference of the maximum and minimum in each 2X2 subblock 1
13716, 38700, 103986, 258432, 773442, 1937236, 5670054, 14489552, 42828498, 109031092, 320881554, 817053704, 2395172938, 6123040492, 17954877350, 45915372488, 134582582770, 344158810996, 1007983744014, 2579226990872 (list; graph; refs; listen; history; text; internal format)
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

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Style Sheet | Transforms | Superseeker | Recent
The OEIS Community | Maintained by The OEIS Foundation Inc.

License Agreements, Terms of Use, Privacy Policy. .

Last modified November 21 14:18 EST 2019. Contains 329371 sequences. (Running on oeis4.)