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A194777 Number of lower triangles of an (n+12) X (n+12) 0..7 array with new values introduced in row major order 0..7 and no element unequal to more than one horizontal or vertical neighbor. 0
85013, 231445, 639753, 1784723, 5044981, 14399939, 41587186, 121261490, 357312638, 1062459348, 3188769448, 9649809740, 29439886715, 90469050263, 279932030931, 871510145365 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
Column 7 of A194778.
LINKS
EXAMPLE
Some solutions for 13 X 13 including a 7:
0 0
1 1 1 1
1 1 1 1 1 1
2 2 2 2 2 2 2 2
2 2 2 2 2 2 2 2 2 2
3 3 3 3 3 3 3 3 3 3 3 3
3 3 3 3 3 3 3 3 3 3 3 3 3 3
4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4
4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4
5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5
5 5 5 5 5 5 5 5 5 5 6 5 5 5 5 5 5 5 5 5 5 5
5 5 5 5 5 5 5 5 5 5 6 6 6 6 6 6 6 6 6 6 6 6 6 6
5 5 5 5 5 5 5 5 5 5 6 6 7 6 6 6 6 6 6 6 6 6 6 6 6 7
CROSSREFS
Sequence in context: A205023 A207298 A236668 * A031671 A010083 A235968
KEYWORD
nonn
AUTHOR
R. H. Hardin, Sep 02 2011
STATUS
approved

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Last modified March 29 10:44 EDT 2024. Contains 371268 sequences. (Running on oeis4.)