A286973 -id:A286973 - cp's OEIS frontend

A293100 T(n,k) = Number of n X k 0..1 arrays with the number of 1's horizontally, diagonally or antidiagonally adjacent to some 0 two less than the number of 0's adjacent to some 1.

0, 0, 0, 0, 0, 0, 0, 9, 5, 0, 0, 42, 48, 30, 0, 1, 150, 567, 554, 126, 0, 3, 596, 3619, 8088, 3334, 520, 0, 10, 2220, 29952, 114318, 115870, 30837, 2088, 0, 24, 8376, 205195, 1676740, 3125547, 1710994, 202363, 8192, 0, 60, 31959, 1668655, 24773296

Offset: 1

R. H. Hardin, Sep 30 2017

Table starts
.0.....0........0..........0.............0................1..................3
.0.....0........9.........42...........150..............596...............2220
.0.....5.......48........567..........3619............29952.............205195
.0....30......554.......8088........114318..........1676740...........24773296
.0...126.....3334.....115870.......3125547.........95603353.........2728695681
.0...520....30837....1710994......96199260.......5589631828.......328979478088
.0..2088...202363...25504769....2804027631.....331401441383.....38469698642410
.0..8192..1733660..383909610...85892871786...19865025530414...4665971856266714
.0.32083.12139768.5821195059.2579471093496.1200437139032383.560706154294046909

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

R. H. Hardin, Table of n, a(n) for n = 1..143

Column 2 is A286973.

Row 1 is A286209.

cp's OEIS Frontend

A293100 T(n,k) = Number of n X k 0..1 arrays with the number of 1's horizontally, diagonally or antidiagonally adjacent to some 0 two less than the number of 0's adjacent to some 1.

Views

Author

Keywords

Comments

Examples

Links

Crossrefs