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 A235829 Number of (n+1)X(2+1) 0..2 arrays with the difference of the upper median and minimum value of each 2X2 subblock in lexicographically nondecreasing order columnwise and nonincreasing rowwise 1
 549, 8160, 110923, 1378463, 16385455, 187651928, 2100282123, 23113626964, 251566008413, 2717152701688, 29200663712707, 312765530573453, 3342753914724018, 35676421518532748, 380426763089559131 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 COMMENTS Column 2 of A235833 LINKS R. H. Hardin, Table of n, a(n) for n = 1..210 R. H. Hardin, Empirical recurrence of order 84 FORMULA Empirical recurrence of order 84 (see link above) EXAMPLE Some solutions for n=3 ..1..0..2....2..1..2....1..2..2....1..1..1....2..0..2....2..0..2....1..1..2 ..2..1..2....1..0..2....0..2..0....2..1..0....0..1..0....1..1..2....0..0..1 ..1..1..0....0..2..2....1..0..2....1..1..1....1..1..2....0..2..0....2..1..1 ..1..2..1....0..1..2....0..2..0....1..1..2....0..0..0....0..0..0....0..0..0 CROSSREFS Sequence in context: A249297 A245957 A206506 * A235834 A235585 A210399 Adjacent sequences:  A235826 A235827 A235828 * A235830 A235831 A235832 KEYWORD nonn AUTHOR R. H. Hardin, Jan 16 2014 STATUS approved

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Last modified January 18 00:56 EST 2021. Contains 340249 sequences. (Running on oeis4.)