A286973
Number of n X 2 0..1 arrays with the number of 1's horizontally or vertically adjacent to some 0 two less than the number of 0's adjacent to some 1.
Original entry on oeis.org
0, 0, 5, 30, 126, 520, 2088, 8192, 32083, 125728, 492331, 1927334, 7545086, 29542032, 115713230, 453479812, 1778221568, 6976989468, 27390464896, 107590106636, 422842742731, 1662688326476, 6541232413273, 25746371202362, 101384373381977, 399406874608396, 1574130883669277
Offset: 1
Some solutions for n=4:
..0..0. .0..1. .1..0. .0..1. .0..0. .0..0. .1..0. .0..0. .0..0. .0..1
..1..0. .0..0. .0..0. .0..1. .1..1. .0..1. .1..0. .0..1. .1..0. .0..0
..1..0. .0..0. .0..1. .0..0. .0..0. .0..1. .0..0. .0..0. .0..1. .1..1
..0..0. .1..0. .1..0. .1..0. .0..0. .0..0. .0..1. .0..1. .0..0. .0..0
A286974
Number of n X 3 0..1 arrays with the number of 1's horizontally or vertically adjacent to some 0 two less than the number of 0's adjacent to some 1.
Original entry on oeis.org
0, 5, 50, 538, 3932, 32253, 238532, 1875212, 14222474, 110768815, 851356180, 6619388000, 51243150110, 398853561051, 3101596551513, 24188042117410, 188685917890136, 1474444397004861, 11529364760294089, 90260751863587788
Offset: 1
Some solutions for n=4
..1..0..1. .0..0..1. .0..1..0. .0..1..1. .1..0..0. .1..1..0. .0..1..1
..0..0..1. .1..1..0. .0..1..1. .0..0..0. .0..0..0. .1..1..0. .0..0..1
..1..0..0. .0..0..1. .0..1..0. .1..1..0. .1..0..1. .1..0..0. .0..0..1
..0..1..0. .0..1..0. .0..1..0. .0..1..0. .1..0..0. .0..0..1. .1..0..0
A286975
Number of n X 4 0..1 arrays with the number of 1's horizontally or vertically adjacent to some 0 two less than the number of 0's adjacent to some 1.
Original entry on oeis.org
0, 30, 538, 8270, 123706, 1853532, 27938670, 424161696, 6473516290, 99212813068, 1525788269640, 23533226594814, 363874149524074, 5638501690692214, 87539755014915366, 1361389260565705844, 21203931694258697402
Offset: 1
Some solutions for n=4
..0..1..1..1. .0..0..1..0. .1..1..0..0. .1..0..0..0. .0..1..0..1
..0..0..0..1. .1..0..1..0. .0..0..1..0. .1..0..1..0. .0..0..0..1
..1..0..0..1. .1..0..0..0. .1..1..0..1. .0..1..0..1. .1..0..0..0
..0..0..1..1. .1..1..1..0. .0..0..0..0. .1..0..0..0. .0..1..1..1
A286976
Number of n X 5 0..1 arrays with the number of 1's horizontally or vertically adjacent to some 0 two less than the number of 0's adjacent to some 1.
Original entry on oeis.org
0, 126, 3932, 123706, 3584756, 108110791, 3229944132, 98063836816, 2979455186170, 91160980841335, 2796112154318134, 86095874180805420, 2657384402642912532, 82232542990639333587, 2549783287899756993727
Offset: 1
Some solutions for n=4
..0..0..1..0..0. .0..0..1..0..1. .0..0..0..1..0. .0..0..1..0..0
..1..0..0..1..1. .1..0..0..1..0. .1..0..0..0..1. .1..0..0..1..0
..1..1..0..1..1. .0..0..1..1..0. .0..1..1..0..0. .1..0..1..0..1
..0..1..0..0..0. .1..0..1..1..0. .0..0..1..1..1. .1..1..0..0..1
A286977
Number of n X 6 0..1 arrays with the number of 1's horizontally or vertically adjacent to some 0 two less than the number of 0's adjacent to some 1.
Original entry on oeis.org
1, 520, 32253, 1853532, 108110791, 6394436704, 382399996325, 23061514189084, 1399727072882973, 85393260809630392, 5231506248052898794, 321628304145152717720, 19832505642478450579224, 1226074610187600024235498
Offset: 1
Some solutions for n=3
..1..1..0..1..0..0. .0..1..1..1..0..0. .0..1..1..0..0..0. .1..0..0..0..1..0
..1..0..0..1..0..0. .0..0..0..1..0..0. .1..0..0..0..0..0. .0..0..0..1..1..0
..1..1..0..0..0..0. .0..0..0..0..1..0. .0..0..0..0..0..0. .0..1..1..1..0..0
A286978
Number of n X 7 0..1 arrays with the number of 1's horizontally or vertically adjacent to some 0 two less than the number of 0's adjacent to some 1.
Original entry on oeis.org
3, 2088, 238532, 27938670, 3229944132, 382399996325, 45587718323826, 5491408595796062, 665386690317576640, 81085002249528800607, 9923283116879850553806, 1218979761697887011274578
Offset: 1
Some solutions for n=2
..1..0..1..0..1..0..0. .0..0..0..0..0..0..1. .0..0..1..0..0..0..0
..0..0..1..0..1..0..1. .1..1..0..0..0..1..0. .0..1..1..0..1..0..1
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