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 A194776 Number of lower triangles of an (n+10) X (n+10) 0..6 array with new values introduced in row major order 0..6 and no element unequal to more than one horizontal or vertical neighbor. 0
 11862, 31466, 85007, 231395, 639325, 1782111, 5029741, 14321783, 41203606, 119499674, 349498634, 1029170664, 3050715488, 9092629968, 27237137985, 81930133845, 247359353107, 749090477957 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 COMMENTS Column 6 of A194778. LINKS Table of n, a(n) for n=1..18. EXAMPLE Some solutions for 11 X 11 including a 6: 0 0 0 1 1 1 1 1 1 1 1 2 1 1 1 1 1 1 1 1 2 2 2 2 2 2 2 2 2 2 1 1 2 2 3 2 2 2 2 3 2 2 2 2 2 1 1 2 2 3 3 2 2 2 2 3 3 3 3 3 3 3 3 1 1 2 2 3 3 4 2 2 2 2 3 3 4 3 3 3 3 3 3 4 1 1 2 2 3 3 4 4 2 2 2 2 3 3 4 4 3 3 3 3 3 3 4 4 1 1 2 2 3 3 4 4 5 2 2 2 2 3 3 4 4 5 3 3 3 3 3 3 4 4 5 1 1 2 2 3 3 4 4 5 5 2 2 2 2 3 3 4 4 5 5 3 3 3 3 3 3 4 4 5 5 1 1 2 2 3 3 4 4 5 5 6 2 2 2 2 3 3 4 4 5 5 6 3 3 3 3 3 3 4 4 5 5 6 CROSSREFS Sequence in context: A185496 A249842 A251788 * A253988 A253995 A258905 Adjacent sequences: A194773 A194774 A194775 * A194777 A194778 A194779 KEYWORD nonn AUTHOR R. H. Hardin, Sep 02 2011 STATUS approved

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Last modified August 11 04:23 EDT 2024. Contains 375059 sequences. (Running on oeis4.)