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 A254264 Number of (5+2)X(n+2) 0..1 arrays with every 3X3 subblock sum of the two maximums of the diagonal and antidiagonal minus the sum of the minimums of the central row and column nondecreasing horizontally, vertically and ne-to-sw antidiagonally 1
 236024, 888391, 2192422, 9308828, 35691048, 159041102, 742483152, 3525898989, 17473539574, 89203393842, 463194102932, 2440606864521, 12983765106408, 69479824462051, 373041068149038, 2009522674970372, 10836010416317362 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 COMMENTS Row 5 of A254260 LINKS R. H. Hardin, Table of n, a(n) for n = 1..210 FORMULA Empirical: a(n) = 5*a(n-1) +25*a(n-2) -76*a(n-3) -355*a(n-4) -445*a(n-5) +5359*a(n-6) +442*a(n-7) -4555*a(n-8) +20547*a(n-9) +116695*a(n-10) -743436*a(n-11) -3659657*a(n-12) +4254133*a(n-13) +23112497*a(n-14) +35937210*a(n-15) -95391932*a(n-16) -8699352*a(n-17) -44340768*a(n-18) -1513040060*a(n-19) -4349912524*a(n-20) +7932050968*a(n-21) +48766915088*a(n-22) +27878766496*a(n-23) -182157509312*a(n-24) -419273994368*a(n-25) +155621755904*a(n-26) +1437148924928*a(n-27) +1420501656576*a(n-28) -1893948786688*a(n-29) -4904596770816*a(n-30) -1855573876736*a(n-31) +5277141549056*a(n-32) +8179702071296*a(n-33) +3548181823488*a(n-34) -6025118482432*a(n-35) -12595931643904*a(n-36) -6205421387776*a(n-37) +7060445986816*a(n-38) +11119326396416*a(n-39) +4616016101376*a(n-40) -2503663943680*a(n-41) -6217636249600*a(n-42) -4083708592128*a(n-43) +1468878815232*a(n-44) +2834678415360*a(n-45) +309237645312*a(n-46) -618475290624*a(n-47) for n>58 EXAMPLE Some solutions for n=1 ..0..1..0....1..1..1....0..1..1....0..1..1....0..0..0....1..0..0....1..0..1 ..1..0..0....1..1..1....0..1..1....1..0..0....0..0..1....1..0..0....1..1..1 ..1..0..0....1..0..0....1..0..1....1..0..0....0..0..1....0..1..1....1..1..1 ..1..0..0....0..0..0....1..0..1....1..0..1....1..0..0....1..0..0....0..0..0 ..1..1..0....1..1..0....1..0..0....1..1..0....1..0..1....1..0..1....0..1..0 ..1..0..0....1..0..0....0..0..0....1..0..1....1..1..0....1..0..1....0..0..0 ..1..1..0....1..1..0....1..0..1....1..1..0....0..0..1....1..1..0....1..0..1 CROSSREFS Sequence in context: A132905 A100780 A104286 * A254257 A254303 A269280 Adjacent sequences:  A254261 A254262 A254263 * A254265 A254266 A254267 KEYWORD nonn AUTHOR R. H. Hardin, Jan 27 2015 STATUS approved

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Last modified December 2 11:44 EST 2021. Contains 349440 sequences. (Running on oeis4.)