A301536
Number of n X 3 0..1 arrays with every element equal to 0, 1 or 3 horizontally or vertically adjacent elements, with upper left element zero.
Original entry on oeis.org
3, 6, 9, 26, 61, 154, 374, 941, 2357, 5963, 15074, 38168, 96641, 244836, 620311, 1571854, 3983147, 10093850, 25579490, 64823479, 164276135, 416311227, 1055023990, 2673664936, 6775663297, 17171047596, 43515284891, 110277499816
Offset: 1
Some solutions for n=5
..0..1..0. .0..1..0. .0..1..0. .0..1..0. .0..0..0. .0..1..0. .0..1..0
..1..0..1. .1..0..1. .1..0..1. .0..0..0. .1..0..1. .1..0..1. .1..0..1
..0..1..0. .1..1..1. .0..1..1. .0..0..0. .1..1..0. .1..0..1. .0..1..1
..1..0..0. .1..1..1. .1..0..1. .0..1..0. .1..0..0. .0..1..0. .1..0..1
..0..1..0. .1..0..1. .0..1..0. .1..0..1. .0..1..0. .0..1..0. .0..0..0
A301537
Number of nX4 0..1 arrays with every element equal to 0, 1 or 3 horizontally or vertically adjacent elements, with upper left element zero.
Original entry on oeis.org
5, 10, 26, 79, 212, 603, 1841, 5663, 17379, 53565, 166423, 518704, 1616890, 5041039, 15729206, 49104949, 153322792, 478742546, 1494954997, 4668557664, 14579783689, 45532767521, 142200230227, 444098944427, 1386951488437, 4331554392329
Offset: 1
Some solutions for n=5
..0..1..0..1. .0..1..1..1. .0..0..0..1. .0..1..1..0. .0..1..1..0
..1..1..0..0. .0..0..1..0. .1..0..1..0. .1..0..0..0. .0..0..0..0
..0..1..0..1. .0..1..0..1. .0..1..0..1. .1..1..0..0. .0..0..0..0
..1..0..1..0. .1..0..1..0. .1..0..1..0. .1..0..0..0. .0..1..1..0
..1..0..1..0. .1..0..1..0. .0..1..0..1. .0..1..1..0. .1..0..0..1
A301538
Number of n X 5 0..1 arrays with every element equal to 0, 1 or 3 horizontally or vertically adjacent elements, with upper left element zero.
Original entry on oeis.org
8, 21, 61, 212, 658, 2417, 9037, 33526, 125626, 477972, 1824213, 6971325, 26702279, 102479158, 393541270, 1511848952, 5810405859, 22336911663, 85879249631, 330208289450, 1269748921864, 4882763327280, 18776842367003, 72208138689837
Offset: 1
Some solutions for n=5
..0..0..1..0..1. .0..0..1..1..1. .0..1..1..1..0. .0..1..0..1..0
..1..1..0..1..0. .1..1..0..1..0. .1..0..1..0..1. .1..0..1..0..1
..0..0..1..0..1. .0..0..0..0..1. .0..1..0..1..1. .0..1..0..1..0
..1..1..0..1..0. .1..0..1..1..0. .1..0..1..0..1. .0..0..1..0..1
..0..0..1..0..1. .0..1..0..0..1. .0..1..0..0..0. .0..1..0..0..0
A301539
Number of nX6 0..1 arrays with every element equal to 0, 1 or 3 horizontally or vertically adjacent elements, with upper left element zero.
Original entry on oeis.org
13, 42, 154, 603, 2417, 10783, 47791, 215362, 990403, 4616134, 21616069, 101719485, 480319135, 2272163307, 10763099175, 51036985495, 242162709431, 1149466726275, 5457682636775, 25918135231397, 123098181426713, 584702778533156
Offset: 1
Some solutions for n=5
..0..0..0..1..0..1. .0..0..0..1..0..1. .0..1..0..1..0..1. .0..0..1..0..0..1
..1..0..1..0..1..0. .1..0..1..0..1..1. .1..0..0..0..1..0. .1..1..1..1..1..0
..1..1..0..1..0..1. .0..1..0..1..0..1. .0..1..1..1..0..1. .0..1..0..1..0..1
..1..0..1..0..1..1. .0..0..1..1..0..0. .1..0..1..0..1..0. .1..0..1..0..1..0
..0..1..1..1..0..1. .0..1..0..1..0..1. .0..0..0..1..1..1. .0..1..0..0..0..1
A301540
Number of nX7 0..1 arrays with every element equal to 0, 1 or 3 horizontally or vertically adjacent elements, with upper left element zero.
Original entry on oeis.org
21, 86, 374, 1841, 9037, 47791, 255406, 1432328, 8145489, 46701775, 269741883, 1568279203, 9153838956, 53577605791, 314145731065, 1844204380914, 10835966335712, 63710021424647, 374740321237045, 2204822119962792
Offset: 1
Some solutions for n=5
..0..0..0..1..0..1..1. .0..0..0..1..1..1..0. .0..1..0..0..0..1..0
..1..0..1..0..0..0..0. .1..0..1..0..1..0..1. .1..0..1..0..1..0..0
..1..1..0..1..1..0..1. .0..1..0..0..0..1..0. .0..1..0..1..0..1..0
..1..0..0..0..0..1..0. .1..0..1..1..1..0..1. .1..0..1..0..1..0..1
..0..1..1..0..1..0..1. .0..0..0..1..0..0..0. .0..1..0..1..0..1..0
A301535
Number of n X n 0..1 arrays with every element equal to 0, 1 or 3 horizontally or vertically adjacent elements, with upper left element zero.
Original entry on oeis.org
1, 3, 9, 79, 658, 10783, 255406, 9891331, 588765472, 55421789236, 8214384910527
Offset: 1
Some solutions for n=5
..0..0..1..1..1. .0..0..1..0..0. .0..0..0..1..0. .0..0..0..1..0
..1..1..0..1..0. .1..1..1..1..1. .1..0..1..1..1. .1..0..1..0..1
..0..0..1..0..1. .0..1..0..1..0. .0..1..0..0..0. .0..1..0..1..0
..1..1..0..1..1. .1..0..1..0..1. .0..0..1..0..1. .0..0..1..0..1
..0..0..1..0..1. .0..1..0..1..0. .0..1..0..1..0. .0..1..0..0..0
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