A270116 Number of nX6 0..7 arrays with some element plus some horizontally or vertically adjacent neighbor totalling seven exactly once.

96040, 18272616768, 1877723928063648, 161437591343857507392, 12729704731136074190860176, 953623090124975369688224358912, 69055044905731486960323236937432480

Offset

1,1

Comments

Column 6 of A270118.

Links

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

R. H. Hardin, Empirical recurrence of order 26

Formula

Empirical recurrence of order 26 (see link above)

Example

Some solutions for n=1
..7..0..6..7..1..0. .7..0..2..3..7..7. .2..5..6..0..5..3. .1..7..0..4..7..1

Crossrefs

Cf. A270118.

Sequence in context: A116253 A116265 A270149 * A031676 A205613 A205351

Adjacent sequences: A270113 A270114 A270115 * A270117 A270118 A270119

Keyword

nonn

Author

R. H. Hardin, Mar 11 2016

Status

approved