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 A235899 Number of (n+1)X(5+1) 0..2 arrays with the minimum plus the maximum equal to the lower median plus the upper median in every 2X2 subblock 1
 6849, 89857, 1030145, 12931393, 160019457, 2053474753, 26681279873, 354762714433, 4797433339137, 66057474247873, 923795771239553, 13107635240213569, 188369869967105025, 2738120806077672385 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 COMMENTS Column 5 of A235902 LINKS R. H. Hardin, Table of n, a(n) for n = 1..210 FORMULA Empirical: a(n) = 49*a(n-1) -680*a(n-2) -2152*a(n-3) +106896*a(n-4) -244848*a(n-5) -6547072*a(n-6) +18222592*a(n-7) +219136000*a(n-8) -245395456*a(n-9) -3590750208*a(n-10) -5119672320*a(n-11) EXAMPLE Some solutions for n=2 ..0..0..0..1..0..1....0..0..1..1..0..1....1..0..2..2..1..1....0..1..1..1..0..2 ..1..1..1..2..1..0....1..1..2..2..1..2....1..2..0..0..1..1....1..2..0..2..1..1 ..2..2..2..1..0..1....2..2..1..1..0..1....1..0..2..2..1..1....0..1..1..1..0..0 CROSSREFS Sequence in context: A206313 A250077 A178277 * A212076 A252565 A066878 Adjacent sequences: A235896 A235897 A235898 * A235900 A235901 A235902 KEYWORD nonn AUTHOR R. H. Hardin, Jan 16 2014 STATUS approved

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Last modified December 1 05:24 EST 2023. Contains 367468 sequences. (Running on oeis4.)