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A235908 Number of (n+1)X(5+1) 0..2 arrays with the minimum plus the maximum unequal to the lower median plus the upper median in every 2X2 subblock 1
41344, 2707568, 181855488, 12495925760, 857962921984, 59328151603200, 4091230986428416, 283020673044676608, 19540542590093524992, 1351372046965113815040, 93347483400967593000960 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 5 of A235911

LINKS

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

FORMULA

Empirical: a(n) = 26*a(n-1) +8176*a(n-2) -159648*a(n-3) -25251520*a(n-4) +409789184*a(n-5) +40387379712*a(n-6) -560043470848*a(n-7) -38243900612608*a(n-8) +453146168991744*a(n-9) +22884002414231552*a(n-10) -229438573635043328*a(n-11) -8897444606279942144*a(n-12) +74513276967361445888*a(n-13) +2250427842190196604928*a(n-14) -15517982447269643812864*a(n-15) -360930672944941201620992*a(n-16) +2017020749399787514626048*a(n-17) +34457430274833020381822976*a(n-18) -153477726886511719487635456*a(n-19) -1712696084395508983184490496*a(n-20) +6061647427902798231574151168*a(n-21) +33305788651378989689483558912*a(n-22) -106137642247644940595504349184*a(n-23) -294928529650434846531795288064*a(n-24) +929172800312758643258634010624*a(n-25) +1221540605960740641954653536256*a(n-26) -4294823659160596636581371052032*a(n-27) -1816618812600961577469408706560*a(n-28) +10045162121297640464223572066304*a(n-29) -1633688989885953439707011481600*a(n-30) -9367464471978621403690654760960*a(n-31) +5290800985400804622384494542848*a(n-32)

EXAMPLE

Some solutions for n=1

..0..0..1..1..2..2....0..0..0..0..2..0....2..1..2..1..0..2....2..1..1..2..0..2

..2..0..2..1..1..0....1..0..1..0..1..0....2..0..2..2..2..2....1..1..2..2..2..1

CROSSREFS

Sequence in context: A269738 A269737 A233714 * A128150 A236615 A202726

Adjacent sequences:  A235905 A235906 A235907 * A235909 A235910 A235911

KEYWORD

nonn

AUTHOR

R. H. Hardin, Jan 16 2014

STATUS

approved

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Last modified November 29 18:41 EST 2021. Contains 349416 sequences. (Running on oeis4.)