A284163 Number of n X 6 0..1 arrays with the number of 1's horizontally or vertically adjacent to some 0 equal to the number of 0's adjacent to some 1, with top left element zero.

19, 467, 21790, 1142173, 63520018, 3648835932, 213897742464, 12712253739523, 762954434250117, 46132889929802552, 2805893251846100894, 171472537110465965686, 10520216685129431413147, 647576935194197811151494

Offset

1,1

Comments

Column 6 of A284165.

Links

R. H. Hardin, Table of n, a(n) for n = 1..40

Example

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

Crossrefs

Cf. A284165.

Sequence in context: A201798 A284197 A081686 * A218477 A003700 A093975

Adjacent sequences: A284160 A284161 A284162 * A284164 A284165 A284166

Keyword

nonn

Author

R. H. Hardin, Mar 21 2017

Status

approved