A298194 Number of nX7 0..1 arrays with every element equal to 0, 1, 2, 3 or 5 king-move adjacent elements, with upper left element zero.

64, 3440, 21362, 168880, 1504330, 13176123, 114087318, 992267592, 8658476297, 75499048112, 658249155453, 5742342975406, 50095740830475, 437004856393493, 3812378593002057, 33259690670469375, 290160648789231587

Offset

1,1

Comments

Column 7 of A298195.

Links

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

Example

Some solutions for n=4
..0..1..0..0..0..0..0. .0..1..0..0..1..0..1. .0..1..1..1..1..0..0
..0..1..1..0..1..1..0. .1..1..1..0..1..1..1. .0..1..0..0..1..0..1
..0..0..0..1..0..1..0. .0..1..1..1..0..0..1. .0..1..0..0..1..0..1
..0..1..0..1..0..1..0. .1..0..0..1..1..1..0. .1..1..0..0..1..1..0

Crossrefs

Cf. A298195.

Sequence in context: A299941 A017439 A220744 * A299088 A299344 A299851

Adjacent sequences: A298191 A298192 A298193 * A298195 A298196 A298197

Keyword

nonn

Author

R. H. Hardin, Jan 14 2018

Status

approved