A250966
Number of (n+1)X(n+1) 0..1 arrays with no 2X2 subblock having the sum of its diagonal elements less than the absolute difference of its antidiagonal elements.
Original entry on oeis.org
14, 308, 22048, 5089900, 3794909318, 9135168475316, 71001116832347962, 1781714118279963697630, 144355770055582148091515150, 37761829882206405363232456330430, 31892938416369811765366547510541575588
Offset: 1
Some solutions for n=3
..1..1..1..0....0..1..0..1....0..1..0..0....0..1..1..0....0..0..1..1
..0..0..1..0....0..1..1..1....0..1..0..0....1..0..1..1....1..1..1..1
..0..1..1..0....1..1..0..1....1..0..1..1....0..0..1..1....1..0..1..0
..0..1..1..0....1..1..0..1....1..0..1..0....1..1..0..0....1..1..0..0
A250967
Number of (n+1) X (2+1) 0..1 arrays with no 2 X 2 subblock having the sum of its diagonal elements less than the absolute difference of its antidiagonal elements.
Original entry on oeis.org
49, 308, 1945, 12281, 77537, 489543, 3090834, 19514643, 123209858, 777911692, 4911511266, 31009873218, 195787443967, 1236145757310, 7804669708967, 49276445682891, 311117342524943, 1964305653103961, 12402062409962968
Offset: 1
Some solutions for n=4:
1 1 0 0 1 0 1 0 1 1 1 0 1 0 1 1 1 1 1 1 1
1 0 1 1 0 0 1 1 1 1 1 1 1 0 1 0 0 1 0 0 0
0 1 1 0 1 1 1 0 1 1 1 1 0 1 1 0 1 0 1 1 1
0 1 0 1 1 0 0 1 0 1 1 0 0 1 1 0 1 0 1 1 1
1 0 1 1 0 0 1 0 1 1 1 0 0 1 0 1 1 0 0 0 0
A250968
Number of (n+1)X(3+1) 0..1 arrays with no 2X2 subblock having the sum of its diagonal elements less than the absolute difference of its antidiagonal elements.
Original entry on oeis.org
172, 1945, 22048, 249921, 2833397, 32124018, 364210219, 4129278507, 46816221866, 530784935436, 6017842440934, 68228062145830, 773544424316648, 8770159340495832, 99432808820402153, 1127332250873994176
Offset: 1
Some solutions for n=3
..0..1..0..1....0..1..0..1....1..1..1..0....1..0..0..1....1..0..0..0
..0..1..0..1....1..0..0..1....0..1..1..1....1..1..1..1....0..1..1..1
..1..0..0..1....1..1..1..1....1..1..1..0....1..0..1..0....0..1..1..0
..0..1..1..0....0..1..0..1....0..0..0..0....0..0..1..1....0..1..1..0
A250969
Number of (n+1)X(4+1) 0..1 arrays with no 2X2 subblock having the sum of its diagonal elements less than the absolute difference of its antidiagonal elements.
Original entry on oeis.org
604, 12281, 249921, 5089900, 103684186, 2112130109, 43025963570, 876479703950, 17854730951799, 363717955042320, 7409282841342444, 150934183848595064, 3074673806193093731, 62634048639412217021, 1275915526747412367745
Offset: 1
Some solutions for n=2
..1..0..1..1..0....0..1..1..0..1....1..0..1..0..0....0..1..1..0..1
..1..1..0..1..0....1..1..1..0..1....1..0..1..0..0....1..0..1..1..0
..0..1..0..1..1....0..0..0..1..1....0..1..0..0..0....0..1..0..0..1
A250970
Number of (n+1)X(5+1) 0..1 arrays with no 2X2 subblock having the sum of its diagonal elements less than the absolute difference of its antidiagonal elements.
Original entry on oeis.org
2121, 77537, 2833397, 103684186, 3794909318, 138900769559, 5084110136919, 186091438754901, 6811422962008298, 249315542243292284, 9125588509861083659, 334019954168148561523, 12225987350399215480885, 447502506618626972091831
Offset: 1
Some solutions for n=2
..0..0..1..0..0..0....1..0..1..0..1..0....0..1..1..0..1..1....1..1..1..1..1..1
..0..1..1..0..1..1....1..1..0..0..1..0....1..1..0..1..0..1....1..1..0..1..0..0
..1..0..1..0..1..0....1..0..0..1..0..0....1..0..1..0..1..1....0..0..1..0..0..0
A250971
Number of (n+1)X(6+1) 0..1 arrays with no 2X2 subblock having the sum of its diagonal elements less than the absolute difference of its antidiagonal elements.
Original entry on oeis.org
7448, 489543, 32124018, 2112130109, 138900769559, 9135168475316, 600808386292820, 39514486757351514, 2598824818868706096, 170921926401546121395, 11241352463500152822391, 739331740764868834365986
Offset: 1
Some solutions for n=1
..1..0..1..1..0..0..1....1..0..0..1..1..0..1....0..1..1..1..0..1..1
..1..1..0..1..0..0..1....0..0..1..0..0..1..0....1..0..0..0..0..1..1
A250972
Number of (n+1)X(7+1) 0..1 arrays with no 2X2 subblock having the sum of its diagonal elements less than the absolute difference of its antidiagonal elements.
Original entry on oeis.org
26154, 3090834, 364210219, 43025963570, 5084110136919, 600808386292820, 71001116832347962, 8390658772408694576, 991579229128088199012, 117181450181585451488011, 13848104464047186015193590
Offset: 1
Some solutions for n=1
..1..0..0..1..1..1..1..1....0..1..0..1..1..0..1..0....0..1..0..1..0..1..0..0
..1..1..1..0..1..0..1..0....1..1..1..1..0..1..1..1....0..1..0..1..1..0..0..1
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