A301945
Number of n X n 0..1 arrays with every element equal to 1, 2 or 3 horizontally or antidiagonally adjacent elements, with upper left element zero.
Original entry on oeis.org
0, 2, 20, 947, 120815, 58609226, 86143630040, 418568449327270, 6527100767589040926, 331808147283786972146018, 54543586667142977292165721500, 29084806316831133817614992597097070
Offset: 1
Some solutions for n=5
..0..0..0..0..0. .0..0..0..1..1. .0..0..1..1..0. .0..0..0..1..1
..0..1..0..1..1. .0..1..0..0..0. .0..1..1..0..0. .0..1..0..0..0
..1..1..1..0..0. .1..0..1..1..0. .1..0..1..0..0. .1..1..1..0..0
..1..0..0..0..1. .0..0..1..0..1. .0..1..1..1..1. .1..0..0..1..0
..1..1..1..1..1. .0..1..0..1..1. .1..0..0..0..0. .0..1..1..0..0
A301946
Number of nX3 0..1 arrays with every element equal to 1, 2 or 3 horizontally or antidiagonally adjacent elements, with upper left element zero.
Original entry on oeis.org
1, 5, 20, 83, 342, 1411, 5820, 24007, 99026, 408471, 1684896, 6950003, 28667966, 118252075, 487776260, 2012021183, 8299356842, 34233896031, 141210898600, 582478776747, 2402658213526, 9910689833651, 40880459994636, 168627213385143
Offset: 1
Some solutions for n=5
..0..0..1. .0..0..1. .0..0..1. .0..0..0. .0..0..1. .0..0..0. .0..0..1
..0..1..1. .0..1..1. .0..1..1. .0..1..1. .1..1..0. .0..0..1. .0..1..0
..1..0..0. .0..0..1. .1..1..1. .0..0..0. .1..0..0. .0..1..1. .0..0..1
..0..0..1. .0..1..1. .0..0..0. .1..1..1. .1..1..0. .1..1..0. .1..1..0
..1..1..1. .1..1..1. .1..1..1. .1..0..0. .1..0..0. .0..0..0. .1..0..0
A301947
Number of nX4 0..1 arrays with every element equal to 1, 2 or 3 horizontally or antidiagonally adjacent elements, with upper left element zero.
Original entry on oeis.org
2, 16, 123, 947, 7326, 56710, 439078, 3399722, 26323903, 203825456, 1578217598, 12220118582, 94620225492, 732643232114, 5672847473255, 43924787764759, 340109088005893, 2633460459021237, 20390851741033347, 157886112662767667
Offset: 1
Some solutions for n=5
..0..0..1..0. .0..0..1..1. .0..0..1..1. .0..0..0..0. .0..0..0..0
..0..1..0..1. .0..0..1..1. .1..1..0..1. .0..0..1..1. .0..1..0..1
..0..0..1..1. .0..0..0..1. .1..0..1..1. .0..1..1..1. .1..0..1..1
..0..1..0..0. .1..1..1..0. .0..0..0..1. .1..0..1..0. .0..0..1..0
..0..0..0..0. .1..1..0..0. .1..1..1..1. .0..1..0..0. .0..0..0..0
A301948
Number of nX5 0..1 arrays with every element equal to 1, 2 or 3 horizontally or antidiagonally adjacent elements, with upper left element zero.
Original entry on oeis.org
3, 52, 680, 9084, 120815, 1608681, 21418808, 285190208, 3797277789, 50560399640, 673206912325, 8963686254378, 119350632636165, 1589142359440249, 21159279866124406, 281733805537736001, 3751258912615316186
Offset: 1
Some solutions for n=5
..0..0..1..1..1. .0..0..0..0..1. .0..0..1..1..0. .0..0..1..0..0
..0..0..0..0..0. .0..1..0..1..1. .0..1..0..0..0. .0..1..0..1..0
..0..0..1..1..1. .1..0..0..0..0. .1..1..1..0..0. .1..1..1..0..0
..0..0..0..0..0. .0..0..1..1..1. .1..0..0..1..1. .0..0..0..1..1
..0..0..0..0..0. .1..1..1..1..1. .1..1..1..1..1. .0..0..0..1..1
A301949
Number of nX6 0..1 arrays with every element equal to 1, 2 or 3 horizontally or antidiagonally adjacent elements, with upper left element zero.
Original entry on oeis.org
5, 169, 4070, 98839, 2406169, 58609226, 1427656268, 34776685046, 847137052736, 20635714219606, 502672812882802, 12244789017184793, 298275250691010051, 7265794879094161325, 176990129491522032721, 4311366679215895257906
Offset: 1
Some solutions for n=5
..0..0..1..1..0..1. .0..0..0..0..0..1. .0..0..1..1..1..0. .0..0..0..0..0..0
..0..0..0..0..1..0. .0..1..1..0..1..1. .0..0..0..1..0..0. .0..0..1..1..1..1
..0..1..1..0..0..0. .0..0..1..1..0..0. .0..1..1..1..1..0. .0..0..1..1..0..0
..0..0..1..1..0..0. .0..0..0..1..0..0. .0..0..1..1..0..0. .0..1..0..1..1..1
..0..1..0..0..1..1. .0..0..1..1..1..1. .0..1..1..0..1..1. .0..0..1..0..0..0
A301950
Number of nX7 0..1 arrays with every element equal to 1, 2 or 3 horizontally or antidiagonally adjacent elements, with upper left element zero.
Original entry on oeis.org
8, 549, 23565, 1029960, 45013365, 1969215107, 86143630040, 3768464135104, 164856325277648, 7211859806584972, 315492435721284502, 13801638251948339606, 603771111706342632388, 26412774266222749814259
Offset: 1
Some solutions for n=5
..0..0..1..1..1..1..0. .0..0..1..1..1..1..1. .0..0..1..1..1..0..0
..0..0..0..0..1..0..1. .0..0..0..0..0..0..1. .0..0..0..0..1..0..1
..0..0..1..1..1..1..0. .0..0..1..1..0..1..1. .0..0..1..1..0..1..1
..0..0..0..1..1..0..0. .0..0..0..0..1..0..1. .0..0..0..0..0..0..1
..0..0..0..0..1..1..1. .0..0..0..0..0..1..1. .0..0..1..1..0..1..1
A301952
Number of 3Xn 0..1 arrays with every element equal to 1, 2 or 3 horizontally or antidiagonally adjacent elements, with upper left element zero.
Original entry on oeis.org
0, 5, 20, 123, 680, 4070, 23565, 138014, 805249, 4704141, 27469522, 160428571, 936897912, 5471539885, 31953953498, 186612354231, 1089822896327, 6364606387628, 37169536347339, 217071469820879, 1267705419106309
Offset: 1
Some solutions for n=5
..0..0..0..1..1. .0..0..0..0..0. .0..0..0..0..0. .0..0..0..1..0
..0..1..0..1..1. .0..1..1..1..1. .1..1..1..0..0. .0..1..1..0..0
..1..0..0..1..1. .1..0..0..1..1. .0..0..0..0..0. .0..0..1..1..1
A301953
Number of 4Xn 0..1 arrays with every element equal to 1, 2 or 3 horizontally or antidiagonally adjacent elements, with upper left element zero.
Original entry on oeis.org
0, 13, 83, 947, 9084, 98839, 1029960, 10839822, 113808922, 1195709047, 12560090528, 131941626696, 1386007798945, 14559641418947, 152945061251677, 1606646289820269, 16877382303769959, 177292310984136323
Offset: 1
Some solutions for n=5
..0..0..1..0..0. .0..0..0..0..0. .0..0..1..1..0. .0..0..1..1..1
..0..1..0..0..0. .0..0..1..1..1. .0..1..1..0..1. .0..1..0..0..1
..1..0..1..0..0. .0..1..0..0..0. .1..0..0..1..1. .1..1..0..1..0
..0..1..0..1..1. .1..0..0..1..1. .0..0..0..0..0. .1..1..0..0..0
A301954
Number of 5Xn 0..1 arrays with every element equal to 1, 2 or 3 horizontally or antidiagonally adjacent elements, with upper left element zero.
Original entry on oeis.org
0, 34, 342, 7326, 120815, 2406169, 45013365, 854043977, 16129710295, 305221439281, 5771629701788, 109164158236088, 2064580944616050, 39047423296702605, 738499892840155074, 13967193695049173564
Offset: 1
Some solutions for n=5
..0..0..0..0..0. .0..0..1..1..1. .0..0..0..0..0. .0..0..1..0..1
..0..1..0..1..1. .0..1..0..0..0. .0..0..0..0..0. .1..1..0..1..0
..1..0..1..0..0. .0..0..1..1..0. .1..1..1..0..0. .1..1..1..0..0
..0..1..1..1..0. .0..1..0..0..1. .1..0..0..0..1. .1..0..0..1..1
..1..1..0..0..0. .0..0..0..1..1. .1..1..0..1..1. .0..0..1..1..1
A301955
Number of 6Xn 0..1 arrays with every element equal to 1, 2 or 3 horizontally or antidiagonally adjacent elements, with upper left element zero.
Original entry on oeis.org
0, 89, 1411, 56710, 1608681, 58609226, 1969215107, 67333850084, 2287773842566, 77959998302605, 2653916633152707, 90371628086108933, 3077076307444521060, 104774663297551634379, 3567555401986729558326, 121474804497455764013977
Offset: 1
Some solutions for n=5
..0..0..0..0..0. .0..0..0..0..0. .0..0..0..0..0. .0..0..0..0..0
..0..1..0..0..0. .0..0..0..1..1. .0..1..0..0..0. .0..1..0..1..1
..1..1..1..0..1. .1..1..1..1..1. .1..1..1..1..0. .1..0..0..0..1
..1..0..1..1..1. .0..0..0..1..1. .0..0..0..0..0. .1..1..1..1..1
..0..1..0..1..1. .1..1..0..1..0. .1..1..1..1..0. .0..0..0..1..0
..0..0..0..1..1. .1..0..0..0..0. .1..1..1..0..0. .1..1..0..0..0
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