A318070
Number of nX3 0..1 arrays with every element unequal to 0, 1, 2 or 5 horizontally, vertically or antidiagonally adjacent elements, with upper left element zero.
Original entry on oeis.org
4, 10, 18, 41, 81, 179, 404, 893, 2000, 4516, 10125, 22737, 51181, 115034, 258515, 581380, 1307094, 2938317, 6606445, 14853275, 33392840, 75076165, 168791772, 379483956, 853176349, 1918162541, 4312510121, 9695613622, 21798217755
Offset: 1
Some solutions for n=5
..0..1..1. .0..0..0. .0..0..1. .0..1..1. .0..0..0. .0..0..0. .0..0..0
..1..0..0. .0..0..0. .0..1..1. .1..1..1. .0..0..0. .0..0..0. .0..0..1
..1..1..0. .0..0..0. .1..1..1. .1..1..1. .0..0..1. .1..1..1. .0..1..1
..0..0..0. .0..1..0. .0..0..0. .1..0..1. .0..1..1. .1..1..1. .1..1..1
..0..0..1. .1..0..0. .0..0..1. .0..1..1. .1..1..0. .1..1..1. .0..0..0
A318071
Number of nX4 0..1 arrays with every element unequal to 0, 1, 2 or 5 horizontally, vertically or antidiagonally adjacent elements, with upper left element zero.
Original entry on oeis.org
8, 20, 41, 73, 149, 372, 861, 2016, 4901, 11698, 27986, 67359, 161518, 387556, 930666, 2233451, 5360842, 12868595, 30887501, 74139733, 177960357, 427157604, 1025312853, 2461074852, 5907342192, 14179472548, 34035173339, 81695041734
Offset: 1
Some solutions for n=5
..0..0..0..0. .0..1..1..1. .0..1..0..0. .0..1..1..1. .0..0..0..0
..0..0..0..0. .1..1..1..1. .1..1..0..0. .1..1..1..1. .0..0..1..0
..0..0..0..0. .1..1..1..1. .1..1..0..0. .0..0..0..0. .0..1..0..0
..1..1..1..1. .1..1..1..1. .1..1..0..0. .0..0..0..0. .0..0..0..0
..1..1..1..0. .1..1..1..1. .1..1..0..0. .0..0..0..1. .0..0..0..1
A318072
Number of nX5 0..1 arrays with every element unequal to 0, 1, 2 or 5 horizontally, vertically or antidiagonally adjacent elements, with upper left element zero.
Original entry on oeis.org
16, 42, 81, 149, 316, 854, 2195, 5752, 15565, 41364, 110930, 299210, 802420, 2158664, 5810654, 15618316, 42022876, 113058411, 304076748, 818075794, 2200737667, 5919964491, 15925927942, 42842509441, 115250505252, 310041060554
Offset: 1
Some solutions for n=5
..0..1..1..1..1. .0..0..0..0..0. .0..0..0..1..0. .0..0..1..1..1
..1..1..1..1..1. .0..1..1..0..0. .0..0..1..1..0. .0..1..1..0..1
..1..0..0..1..1. .0..0..0..1..0. .0..1..1..1..0. .1..1..0..1..1
..1..1..1..1..1. .0..0..0..1..0. .1..1..1..1..0. .1..1..1..1..0
..1..1..1..1..0. .0..0..0..0..1. .1..1..1..1..0. .1..1..1..0..0
A318073
Number of nX6 0..1 arrays with every element unequal to 0, 1, 2 or 5 horizontally, vertically or antidiagonally adjacent elements, with upper left element zero.
Original entry on oeis.org
32, 89, 179, 372, 854, 3029, 9966, 31057, 102906, 339938, 1115341, 3686471, 12202268, 40357737, 133516203, 442017482, 1463416356, 4844264732, 16038582879, 53104714108, 175822278334, 582142483984, 1927505047124, 6381987620459
Offset: 1
Some solutions for n=5
..0..0..0..0..0..0. .0..0..1..1..1..1. .0..1..1..1..1..0. .0..0..1..1..1..1
..0..0..0..0..0..0. .0..1..1..1..0..1. .1..0..0..1..0..1. .0..1..1..1..1..1
..0..0..0..0..0..1. .1..1..1..0..1..1. .1..1..1..1..1..1. .1..1..1..0..1..1
..0..0..0..0..1..1. .1..0..1..1..1..1. .1..1..1..1..1..1. .1..1..0..1..1..1
..0..0..0..1..1..1. .0..1..1..1..1..1. .0..0..0..0..0..0. .1..1..1..1..1..0
A318074
Number of nX7 0..1 arrays with every element unequal to 0, 1, 2 or 5 horizontally, vertically or antidiagonally adjacent elements, with upper left element zero.
Original entry on oeis.org
64, 190, 404, 861, 2195, 9966, 46884, 184156, 819263, 3703730, 15865269, 69944965, 310937380, 1361781447, 5998215467, 26503896368, 116659469704, 513984726015, 2266966511804, 9989194862172, 44021107304800, 194059543279029
Offset: 1
Some solutions for n=5
..0..1..1..1..1..1..1. .0..0..1..1..1..1..1. .0..0..0..0..0..0..0
..1..1..1..1..1..1..1. .0..1..1..1..1..1..1. .0..1..1..0..0..0..0
..1..1..1..1..1..0..1. .1..1..0..1..1..0..1. .0..0..0..0..1..0..0
..1..0..0..1..0..1..1. .1..0..1..1..1..0..1. .0..0..0..1..0..0..0
..1..1..1..1..1..1..0. .1..1..1..1..1..1..1. .0..0..0..0..0..0..1
A318069
Number of nXn 0..1 arrays with every element unequal to 0, 1, 2 or 5 horizontally, vertically or antidiagonally adjacent elements, with upper left element zero.
Original entry on oeis.org
1, 6, 18, 73, 316, 3029, 46884, 935951, 38183961, 2877277695, 323244675173, 63938089963412, 22744080515948233, 13243562482553493420
Offset: 1
Some solutions for n=5
..0..0..0..0..0. .0..1..1..1..0. .0..1..1..1..0. .0..0..0..0..0
..0..1..1..0..0. .1..1..1..1..0. .1..1..1..0..0. .0..0..0..0..0
..0..0..0..1..0. .1..1..1..1..0. .1..1..0..0..1. .0..0..0..0..0
..0..0..0..1..0. .1..0..1..1..0. .1..0..0..1..1. .0..1..1..0..0
..0..0..0..0..0. .0..1..1..1..0. .0..0..1..1..1. .0..0..0..0..1
Showing 1-6 of 6 results.
Comments