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 A195236 Number of lower triangles of a 6X6 0..n array with each element differing from all of its diagonal, vertical, antidiagonal and horizontal neighbors by one or less 1
 2097152, 10322065, 20729610, 31374671, 42029278, 52683885, 63338492, 73993099, 84647706, 95302313, 105956920, 116611527, 127266134, 137920741, 148575348, 159229955, 169884562, 180539169, 191193776, 201848383, 212502990, 223157597 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 COMMENTS Row 6 of A195232 LINKS R. H. Hardin, Table of n, a(n) for n = 1..200 FORMULA Empirical: a(n) = 10654607*n - 11243757 for n>3 EXAMPLE Some solutions for n=5 with 0 and 5 ..5............5............5............0............5............0 ..4.4..........4.4..........4.4..........0.1..........4.4..........1.1 ..4.3.3........4.3.3........3.3.3........1.1.2........3.3.3........2.1.2 ..3.3.3.2......4.3.3.2......3.2.2.2......1.2.2.3......2.2.2.2......1.1.2.3 ..3.2.2.2.1....4.4.3.2.1....2.2.2.1.1....2.2.3.3.4....1.1.1.2.2....2.1.2.3.4 ..2.2.1.2.1.0..4.3.3.2.1.0..3.2.2.1.0.0..2.3.2.3.4.5..0.1.1.2.1.2..1.2.2.3.4.5 CROSSREFS Sequence in context: A126435 A011571 A022537 * A068345 A194935 A016999 Adjacent sequences:  A195233 A195234 A195235 * A195237 A195238 A195239 KEYWORD nonn AUTHOR R. H. Hardin Sep 13 2011 STATUS approved

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Last modified June 18 18:23 EDT 2013. Contains 226355 sequences.