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A236807 Number of (n+1)X(6+1) 0..2 arrays with the maximum plus the lower median minus the upper median minus the minimum of every 2X2 subblock equal 1
75907, 2926867, 107087939, 5140896385, 203606804707, 11092792124317, 457619414560859, 27133853757874765, 1137649333616978947, 71445848806556028277, 3006262303583356155659, 196820730933791596981165 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 6 of A236809

LINKS

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

FORMULA

Empirical: a(n) = 66*a(n-1) +6693*a(n-2) -517398*a(n-3) -12402284*a(n-4) +1417737384*a(n-5) -1644793764*a(n-6) -1564727002056*a(n-7) +21216496783968*a(n-8) +527850835201152*a(n-9) -12351354216581376*a(n-10) +54620084393888256*a(n-11) -1596475030394880*a(n-12) -411721665197137920*a(n-13) +648256268849283072*a(n-14) +287629499666792448*a(n-15) -1191655214366588928*a(n-16) +626271353535725568*a(n-17)

EXAMPLE

Some solutions for n=1

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

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

CROSSREFS

Sequence in context: A323804 A135209 A243959 * A251470 A091294 A096518

Adjacent sequences:  A236804 A236805 A236806 * A236808 A236809 A236810

KEYWORD

nonn

AUTHOR

R. H. Hardin, Jan 31 2014

STATUS

approved

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Last modified May 26 02:45 EDT 2022. Contains 354074 sequences. (Running on oeis4.)