A301664
Number of nX3 0..1 arrays with every element equal to 1, 2 or 4 horizontally or vertically adjacent elements, with upper left element zero.
Original entry on oeis.org
1, 10, 30, 118, 407, 1498, 5289, 19184, 68832, 247756, 890523, 3203084, 11517675, 41422044, 148957388, 535680672, 1926390947, 6927645818, 24912983963, 89591402294, 322185988646, 1158636174394, 4166654317703, 14984004032116
Offset: 1
Some solutions for n=5
..0..0..0. .0..1..1. .0..0..1. .0..0..0. .0..0..0. .0..0..1. .0..0..1
..1..1..1. .0..0..0. .0..1..1. .0..1..0. .0..1..0. .1..1..1. .1..1..1
..1..0..1. .1..1..0. .1..1..0. .0..1..0. .0..1..1. .1..0..0. .1..0..0
..0..0..1. .1..0..1. .0..0..0. .1..1..0. .1..0..0. .1..1..0. .1..0..1
..1..1..1. .0..0..1. .0..1..1. .0..0..0. .1..1..0. .0..0..0. .1..0..1
A301665
Number of nX4 0..1 arrays with every element equal to 1, 2 or 4 horizontally or vertically adjacent elements, with upper left element zero.
Original entry on oeis.org
2, 23, 118, 564, 2793, 14394, 71564, 359659, 1808256, 9076074, 45607585, 229124216, 1151098126, 5783024867, 29053401570, 145961054556, 733293062029, 3683989357618, 18507978344520, 92982190589347, 467132961135876
Offset: 1
Some solutions for n=5
..0..1..0..0. .0..0..0..0. .0..0..0..0. .0..0..1..0. .0..0..0..1
..0..1..0..1. .0..1..1..1. .1..1..1..0. .0..1..1..0. .1..1..0..1
..0..0..1..1. .1..1..0..1. .0..0..0..1. .1..1..0..1. .0..1..1..1
..1..0..0..0. .0..0..0..0. .0..1..1..1. .0..0..0..1. .0..0..0..0
..1..1..1..1. .1..1..0..0. .0..1..0..0. .0..1..1..1. .1..1..1..0
A301666
Number of nX5 0..1 arrays with every element equal to 1, 2 or 4 horizontally or vertically adjacent elements, with upper left element zero.
Original entry on oeis.org
3, 61, 407, 2793, 21224, 146841, 1073621, 7703565, 55506215, 399555430, 2875870497, 20706418377, 149059329261, 1073124611823, 7725565402834, 55617663607353, 400401309675815, 2882556650714509, 20752023117855145
Offset: 1
Some solutions for n=5
..0..1..1..0..1. .0..0..0..1..1. .0..0..1..1..0. .0..0..1..1..1
..0..0..1..0..1. .0..1..1..1..1. .1..1..1..0..0. .1..1..0..0..0
..1..0..1..0..0. .0..1..0..1..0. .0..0..0..1..1. .1..0..0..1..0
..1..0..0..1..1. .0..1..0..1..0. .0..1..1..1..0. .1..0..1..1..0
..1..1..0..1..1. .0..0..0..1..1. .0..1..0..0..0. .1..0..1..0..0
A301667
Number of nX6 0..1 arrays with every element equal to 1, 2 or 4 horizontally or vertically adjacent elements, with upper left element zero.
Original entry on oeis.org
5, 162, 1498, 14394, 146841, 1537496, 15498505, 159497778, 1631501428, 16710326446, 171088097185, 1752145711420, 17940714321741, 183715971451846, 1881222389643034, 19263608263871012, 197257711048154849
Offset: 1
Some solutions for n=5
..0..1..1..0..1..1. .0..1..1..1..0..0. .0..0..0..1..1..1. .0..1..1..1..0..0
..0..1..0..0..0..1. .0..1..0..0..1..0. .0..1..0..1..0..0. .0..1..0..0..0..0
..1..1..0..0..0..1. .0..1..0..1..1..1. .1..1..0..0..1..0. .0..0..1..1..0..1
..0..0..1..0..1..0. .1..0..0..1..1..0. .1..0..1..0..1..0. .1..0..1..1..0..1
..1..1..1..0..1..0. .1..1..1..0..0..0. .1..0..1..0..0..0. .1..0..0..0..1..1
A301668
Number of nX7 0..1 arrays with every element equal to 1, 2 or 4 horizontally or vertically adjacent elements, with upper left element zero.
Original entry on oeis.org
8, 421, 5289, 71564, 1073621, 15498505, 225780260, 3307561389, 48158543096, 703127937300, 10259186324647, 149696614458243, 2184338617470806, 31873058777880129, 465081902561442941, 6786326832276152384
Offset: 1
Some solutions for n=5
..0..0..0..1..1..0..0. .0..0..1..1..0..0..1. .0..0..0..1..1..0..1
..0..1..1..0..0..1..1. .0..1..0..0..1..0..1. .0..1..0..0..1..0..1
..0..0..1..0..1..0..1. .0..1..0..1..1..0..1. .0..1..1..0..1..1..0
..1..0..1..0..1..0..1. .0..1..0..1..0..0..0. .0..0..0..1..0..1..0
..1..1..0..0..1..0..1. .0..1..0..1..1..0..0. .1..1..0..1..0..1..1
A301663
Number of n X n 0..1 arrays with every element equal to 1, 2 or 4 horizontally or vertically adjacent elements, with upper left element zero.
Original entry on oeis.org
0, 3, 30, 564, 21224, 1537496, 225780260, 68862687289, 42474080549252, 53316494203981492
Offset: 1
Some solutions for n=5
..0..1..1..0..0. .0..0..1..1..0. .0..0..1..0..1. .0..0..1..1..1
..0..1..0..1..1. .1..1..0..0..0. .1..0..1..0..1. .0..1..0..0..1
..1..1..0..1..0. .1..1..1..1..1. .1..1..1..0..1. .1..1..0..1..1
..1..0..1..0..0. .0..1..0..0..1. .0..0..0..1..1. .0..0..0..0..0
..0..0..1..1..1. .0..0..0..1..1. .0..1..1..0..0. .1..1..0..1..1
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