A240892 Number of nX7 0..2 arrays with no element equal to a different number of vertical neighbors than horizontal neighbors, with new values 0..2 introduced in row major order.

32, 1216, 38981, 1255585, 40424861, 1302610899, 41971040844, 1352138182759, 43565815810587, 1403705064843757, 45228360174728351, 1457291782946371386, 46955159811511460603, 1512935850829951577045, 48748133543911846159969

Offset

1,1

Comments

Column 7 of A240893

Links

R. H. Hardin, Table of n, a(n) for n = 1..210

Example

Some solutions for n=3
..0..1..0..1..2..0..1....0..1..0..1..0..1..2....0..1..0..2..1..2..0
..1..0..1..2..1..1..0....2..2..1..0..1..0..1....1..2..1..0..2..1..1
..0..1..2..0..1..1..2....2..2..0..2..0..1..0....0..1..2..1..0..1..1

Crossrefs

Sequence in context: A367538 A194652 A330481 * A241107 A248072 A247998

Adjacent sequences: A240889 A240890 A240891 * A240893 A240894 A240895

Keyword

nonn

Author

R. H. Hardin, Apr 14 2014

Status

approved