A222456 -id:A222456 - cp's OEIS frontend

A222450 Number of nX2 0..1 arrays with exactly floor(nX2/2) elements unequal to at least one horizontal, vertical or antidiagonal neighbor, with new values introduced in row major 0..1 order.

0, 0, 2, 7, 10, 23, 64, 175, 400, 983, 2498, 6409, 15982, 40282, 102240, 260590, 662008, 1685764, 4301724, 10996863, 28122246, 71995471, 184507156, 473312401, 1215008846, 3121272497, 8023924572, 20640895689, 53127720534, 136821537884

Offset: 1

R. H. Hardin Feb 20 2013

nonn

Column 2 of A222456

			All solutions for n=4
..0..0....0..0....0..1....0..0....0..0....0..0....0..0
..1..1....0..0....0..0....0..1....0..0....0..0....0..0
..1..1....0..1....0..0....1..1....0..0....0..0....1..1
..1..1....1..1....0..0....1..1....1..0....1..1....1..1

R. H. Hardin, Table of n, a(n) for n = 1..210

A222451 Number of nX3 0..1 arrays with exactly floor(nX3/2) elements unequal to at least one horizontal, vertical or antidiagonal neighbor, with new values introduced in row major 0..1 order.

Original entry on oeis.org

0, 2, 2, 17, 27, 194, 467, 2375, 6320, 31706, 84949, 426134, 1133626, 5776492, 15176513, 78547862, 204559282, 1071259196, 2775207035, 14655072445, 37875592694, 201114091282, 519500141148, 2768445005172, 7154712147158

Offset: 1

R. H. Hardin Feb 20 2013

nonn

Column 3 of A222456

			Some solutions for n=4
..0..0..0....0..0..0....0..0..0....0..0..0....0..0..0....0..0..0....0..0..0
..0..0..0....0..1..1....0..0..1....0..0..0....1..1..1....0..0..0....0..0..0
..0..0..0....1..1..1....0..1..1....1..1..1....1..1..1....0..0..0....0..0..1
..1..1..1....1..1..1....1..1..1....1..1..1....1..1..1....1..0..1....1..1..1

R. H. Hardin, Table of n, a(n) for n = 1..210

A222452 Number of nX4 0..1 arrays with exactly floor(nX4/2) elements unequal to at least one horizontal, vertical or antidiagonal neighbor, with new values introduced in row major 0..1 order.

Original entry on oeis.org

3, 7, 17, 101, 426, 1722, 8483, 46788, 246899, 1263032, 6568737, 34802586, 184657217, 976867173, 5178449568, 27557967928, 146974586179, 784645686795, 4194027064034, 22450449919571, 120330101083792, 645608703621958

Offset: 1

R. H. Hardin Feb 20 2013

nonn

Column 4 of A222456

			Some solutions for n=4
..0..0..1..1....0..0..0..0....0..0..1..1....0..0..0..0....0..0..0..0
..0..0..1..1....0..0..0..0....0..0..1..1....1..1..0..0....0..0..0..0
..0..0..1..1....1..1..1..1....0..0..0..0....0..0..0..0....1..1..0..0
..0..0..1..1....1..1..1..1....0..0..0..0....0..0..0..0....1..1..0..0

R. H. Hardin, Table of n, a(n) for n = 1..204

A222453 Number of nX5 0..1 arrays with exactly floor(nX5/2) elements unequal to at least one horizontal, vertical or antidiagonal neighbor, with new values introduced in row major 0..1 order.

Original entry on oeis.org

4, 10, 27, 426, 1847, 16440, 84558, 910358, 4757427, 51324484, 271866564, 2984245628, 15890235207, 175650675430, 939482925840, 10439882627616, 56035969028768, 625001788261676, 3364621225556746, 37635020888605163

Offset: 1

R. H. Hardin Feb 20 2013

nonn

Column 5 of A222456

			Some solutions for n=4
..0..0..0..1..0....0..0..0..0..0....0..1..0..1..1....0..0..0..0..0
..0..0..0..0..0....0..0..1..0..0....0..1..1..1..1....0..0..0..0..0
..0..0..1..0..0....1..0..0..0..0....0..1..1..1..1....0..0..0..0..0
..0..0..0..0..0....0..0..0..0..0....1..1..1..1..1....1..1..0..1..0

R. H. Hardin, Table of n, a(n) for n = 1..121

A222454 Number of nX6 0..1 arrays with exactly floor(nX6/2) elements unequal to at least one horizontal, vertical or antidiagonal neighbor, with new values introduced in row major 0..1 order.

Original entry on oeis.org

4, 23, 194, 1722, 16440, 161779, 1752892, 18608623, 201223272, 2201719251, 24272631638, 268705232398, 2985516009592, 33280348746620, 371933566446760, 4165471546299038, 46738884729278494, 525315130609406149

Offset: 1

R. H. Hardin Feb 20 2013

nonn

Column 6 of A222456

			Some solutions for n=4
..0..0..0..0..0..0....0..0..0..0..0..0....0..0..1..1..1..1....0..1..0..1..1..1
..1..1..0..0..0..0....0..0..0..0..0..0....0..0..1..1..1..0....1..1..1..1..1..1
..1..1..1..0..0..0....0..0..1..0..0..0....1..1..1..1..1..1....1..1..1..1..1..0
..1..1..1..0..0..0....0..0..1..1..1..1....1..1..1..1..1..1....1..1..1..1..0..0

R. H. Hardin, Table of n, a(n) for n = 1..71

A222455 Number of nX7 0..1 arrays with exactly floor(nX7/2) elements unequal to at least one horizontal, vertical or antidiagonal neighbor, with new values introduced in row major 0..1 order.

Original entry on oeis.org

5, 64, 467, 8483, 84558, 1752892, 17977932, 398308251, 4297235804, 98149697258, 1083889273467, 25078137790680, 280275184599151, 6532746120961558, 73535195746145607, 1722280102006903545, 19480494007933810209

Offset: 1

R. H. Hardin Feb 20 2013

nonn

Column 7 of A222456

			Some solutions for n=4
..0..1..0..0..1..1..1....0..0..0..1..1..1..0....0..0..0..0..0..0..0
..1..0..1..1..1..1..1....0..0..0..1..0..0..1....0..0..0..0..0..0..0
..0..0..1..1..1..1..1....0..0..0..0..0..0..0....1..0..0..1..0..0..0
..1..1..1..1..1..1..1....0..0..0..0..0..0..0....0..1..0..1..0..0..0

R. H. Hardin, Table of n, a(n) for n = 1..41

A222449 Number of n X n 0..1 arrays with exactly floor(n X n/2) elements unequal to at least one horizontal, vertical or antidiagonal neighbor, with new values introduced in row major 0..1 order.

Original entry on oeis.org

1, 0, 2, 101, 1847, 161779, 17977932, 8774928190, 4427986390487, 10016765131595843

Offset: 1

R. H. Hardin, Feb 20 2013

nonn

Diagonal of A222456.

			Some solutions for n=4
..0..0..1..1....0..0..0..0....0..0..0..0....0..0..0..0....0..1..1..1
..0..0..1..0....0..0..0..0....0..0..0..1....0..0..0..1....0..1..1..1
..0..0..0..0....1..1..0..0....0..0..0..0....1..1..1..1....1..1..1..1
..0..0..0..0....1..1..0..0....0..0..1..0....1..1..1..1....0..1..1..1

Cf. A222456.

cp's OEIS Frontend

A222450 Number of nX2 0..1 arrays with exactly floor(nX2/2) elements unequal to at least one horizontal, vertical or antidiagonal neighbor, with new values introduced in row major 0..1 order.

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A222451 Number of nX3 0..1 arrays with exactly floor(nX3/2) elements unequal to at least one horizontal, vertical or antidiagonal neighbor, with new values introduced in row major 0..1 order.

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A222452 Number of nX4 0..1 arrays with exactly floor(nX4/2) elements unequal to at least one horizontal, vertical or antidiagonal neighbor, with new values introduced in row major 0..1 order.

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A222453 Number of nX5 0..1 arrays with exactly floor(nX5/2) elements unequal to at least one horizontal, vertical or antidiagonal neighbor, with new values introduced in row major 0..1 order.

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A222454 Number of nX6 0..1 arrays with exactly floor(nX6/2) elements unequal to at least one horizontal, vertical or antidiagonal neighbor, with new values introduced in row major 0..1 order.

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A222455 Number of nX7 0..1 arrays with exactly floor(nX7/2) elements unequal to at least one horizontal, vertical or antidiagonal neighbor, with new values introduced in row major 0..1 order.

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A222449 Number of n X n 0..1 arrays with exactly floor(n X n/2) elements unequal to at least one horizontal, vertical or antidiagonal neighbor, with new values introduced in row major 0..1 order.

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