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A254303
Number of (n+2)X(5+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 and vertically
1
236024, 2313072, 13348182, 43077907, 201263574, 821922862, 3675487170, 18140259210, 87601779910, 447277560513, 2321983338080, 12222609640233, 64915326842622, 348011097705308, 1866735654640542, 10063744915282664
OFFSET
1,1
COMMENTS
Column 5 of A254306
LINKS
FORMULA
Empirical: a(n) = 7*a(n-1) +15*a(n-2) -126*a(n-3) -203*a(n-4) +265*a(n-5) +6249*a(n-6) -10276*a(n-7) -5439*a(n-8) +29657*a(n-9) +75601*a(n-10) -976826*a(n-11) -2172785*a(n-12) +11573447*a(n-13) +14604231*a(n-14) -10287784*a(n-15) -167266352*a(n-16) +182084512*a(n-17) -26942064*a(n-18) -1424358524*a(n-19) -1323832404*a(n-20) +16631876016*a(n-21) +32902813152*a(n-22) -69655063680*a(n-23) -237915042304*a(n-24) -54958975744*a(n-25) +994169744640*a(n-26) +1125905413120*a(n-27) -1453796193280*a(n-28) -4734952099840*a(n-29) -1116699197440*a(n-30) +7953619664896*a(n-31) +8988289302528*a(n-32) -2374581026816*a(n-33) -12811222319104*a(n-34) -13121482129408*a(n-35) -545694679040*a(n-36) +18986441900032*a(n-37) +19471288762368*a(n-38) -3001565577216*a(n-39) -17622636691456*a(n-40) -11735696146432*a(n-41) -1210308362240*a(n-42) +8351563907072*a(n-43) +9636295999488*a(n-44) -103079215104*a(n-45) -5360119185408*a(n-46) -1236950581248*a(n-47) +1236950581248*a(n-48) for n>62
EXAMPLE
Some solutions for n=1
..0..1..1..1..0..0..1....0..1..1..1..1..0..1....1..0..0..0..0..0..1
..1..0..0..1..1..0..1....0..1..0..1..1..0..0....1..0..0..1..0..0..1
..0..1..0..0..1..1..1....1..0..1..0..0..0..1....0..0..1..1..1..1..1
CROSSREFS
Sequence in context: A104286 A254264 A254257 * A269280 A092009 A160920
KEYWORD
nonn
AUTHOR
R. H. Hardin, Jan 27 2015
STATUS
approved