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 A208713 Number of 6Xn 0..1 arrays with new values 0..1 introduced in row major order and no element equal to more than two of its immediate leftward or upward or right-upward antidiagonal neighbors 1
 32, 2048, 67228, 2587924, 96373248, 3613193828, 135288700496, 5066922301172, 189760457060980, 7106753308593540, 266155856593675476, 9967837469474701148, 373306752240786865244, 13980758919336720329676, 523595189388352085042024 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 COMMENTS Row 6 of A208709 LINKS R. H. Hardin, Table of n, a(n) for n = 1..210 FORMULA Empirical: a(n) = 33*a(n-1) +263*a(n-2) -3223*a(n-3) -18036*a(n-4) +125510*a(n-5) +521961*a(n-6) -2559903*a(n-7) -7083315*a(n-8) +29279065*a(n-9) +41849338*a(n-10) -177571622*a(n-11) -69714760*a(n-12) +472051228*a(n-13) -17024841*a(n-14) -616904041*a(n-15) +139939476*a(n-16) +429455960*a(n-17) -134077368*a(n-18) -166807014*a(n-19) +56749363*a(n-20) +37221787*a(n-21) -12479641*a(n-22) -4662939*a(n-23) +1470709*a(n-24) +288889*a(n-25) -88672*a(n-26) -5330*a(n-27) +2180*a(n-28) -112*a(n-29) for n>33 EXAMPLE Some solutions for n=4 ..0..1..0..1....0..1..1..1....0..0..0..0....0..1..1..0....0..0..0..1 ..0..0..1..0....1..0..1..1....0..1..0..1....1..0..1..1....0..1..0..0 ..1..1..1..0....1..1..0..1....0..1..1..0....0..1..0..1....1..1..0..0 ..0..1..1..0....1..1..0..1....1..0..0..1....0..0..1..1....0..0..1..1 ..1..0..0..1....0..1..1..0....1..0..0..1....1..0..0..1....0..1..0..1 ..1..0..1..1....0..0..1..1....0..1..1..1....0..1..1..1....1..0..1..0 CROSSREFS Sequence in context: A248073 A264015 A239646 * A213416 A159364 A202734 Adjacent sequences:  A208710 A208711 A208712 * A208714 A208715 A208716 KEYWORD nonn AUTHOR R. H. Hardin Mar 01 2012 STATUS approved

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