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A210263 Number of (n+1)X5 0..3 arrays containing all values 0..3 with every 2X2 subblock having three distinct values, and new values 0..3 introduced in row major order 1
4298, 592969, 74289956, 9204003223, 1137801615818, 140618780386783, 17377926553935982, 2147582662927620895, 265400237596322758282, 32798400227021219841431, 4053255707882983814841256 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
Column 4 of A210267
LINKS
FORMULA
Empirical: a(n) = 208*a(n-1) -11777*a(n-2) +94953*a(n-3) +11282777*a(n-4) -300230858*a(n-5) -2030020415*a(n-6) +154714365717*a(n-7) -835409506883*a(n-8) -32817201385328*a(n-9) +387387151685882*a(n-10) +3044940024025706*a(n-11) -64835114300366009*a(n-12) -42786707245576098*a(n-13) +5751830532275106073*a(n-14) -16103656230733623821*a(n-15) -295460333548848141092*a(n-16) +1596987697112378159646*a(n-17) +8716400092711373757801*a(n-18) -76829522478341353618635*a(n-19) -117025527365549564447848*a(n-20) +2255386434235503948211582*a(n-21) -1090527640994479807979772*a(n-22) -42924560123670593643529800*a(n-23) +79873007729548579232819824*a(n-24) +530452740825373237454249528*a(n-25) -1678996015416401623433215328*a(n-26) -3974597159842265998807443728*a(n-27) +20442608956556896189560069024*a(n-28) +12572243416557611196531929600*a(n-29) -158760447373287871211600674496*a(n-30) +62371746018858818643273251840*a(n-31) +790240531776664873390830228736*a(n-32) -895213241848646797338489708544*a(n-33) -2390400685449497424892238006272*a(n-34) +4529311964034293254493883850752*a(n-35) +3661856275780121034325608316928*a(n-36) -12436379430730778229284273520640*a(n-37) -157232863171166993110527508480*a(n-38) +19218418014847258443838877335552*a(n-39) -8524407983882505977655434674176*a(n-40) -15750453996892525372114665996288*a(n-41) +12632938151949082801824296075264*a(n-42) +5555135058401540564501416378368*a(n-43) -7628049341872581906805584560128*a(n-44) -8980990683676708801829928960*a(n-45) +1936146568314526563464720154624*a(n-46) -327642732580228949614402732032*a(n-47) -172830348605676587877088100352*a(n-48) +30197447438230952553989799936*a(n-49) +5737493600858405860068556800*a(n-50)
EXAMPLE
Some solutions for n=4
..0..0..0..1..2....0..0..0..0..0....0..0..0..0..0....0..0..0..0..1
..1..3..1..2..3....1..2..1..2..1....1..2..1..2..1....1..2..3..1..3
..3..2..2..0..2....2..0..1..0..0....3..1..3..3..1....2..0..0..3..2
..2..1..3..0..1....2..3..1..2..1....1..0..0..1..0....1..1..2..0..2
..1..3..2..2..0....1..3..2..0..0....0..2..1..2..1....0..2..3..2..1
CROSSREFS
Sequence in context: A234164 A124596 A224522 * A165067 A236881 A190929
KEYWORD
nonn
AUTHOR
R. H. Hardin Mar 19 2012
STATUS
approved

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Last modified April 25 04:42 EDT 2024. Contains 371964 sequences. (Running on oeis4.)