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A235901 Number of (n+1)X(7+1) 0..2 arrays with the minimum plus the maximum equal to the lower median plus the upper median in every 2X2 subblock 1
100457, 2633969, 51386977, 1221438401, 26681279873, 632701301249, 14843231431681, 363748742848769, 9042403764456449, 231698339089654529, 6060781113997152769, 162356984594605584641, 4435208889979212623873 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
Column 7 of A235902
LINKS
FORMULA
Empirical: a(n) = 105*a(n-1) -2912*a(n-2) -48360*a(n-3) +3284176*a(n-4) -9849840*a(n-5) -1413681152*a(n-6) +11064890880*a(n-7) +342354927616*a(n-8) -2914586849280*a(n-9) -53197229588480*a(n-10) +326026026024960*a(n-11) +5257932711133184*a(n-12) -9378006313205760*a(n-13) -253932398608121856*a(n-14) -671129571038330880*a(n-15)
EXAMPLE
Some solutions for n=1
..0..1..0..1..1..1..1..0....2..1..2..1..0..1..1..0....2..0..2..1..2..1..2..0
..1..2..1..2..2..0..2..1....1..2..1..0..1..0..2..1....2..0..2..1..2..1..2..0
CROSSREFS
Sequence in context: A120217 A120218 A365375 * A251171 A126166 A323754
KEYWORD
nonn
AUTHOR
R. H. Hardin, Jan 16 2014
STATUS
approved

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Last modified April 17 21:22 EDT 2024. Contains 371767 sequences. (Running on oeis4.)