cp's OEIS Frontend

This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.

Showing 1-7 of 7 results.

A222322 Number of nX2 0..1 arrays with exactly floor(nX2/2) elements unequal to at least one king-move neighbor, with new values introduced in row major 0..1 order.

Original entry on oeis.org

0, 0, 0, 7, 0, 32, 0, 168, 0, 948, 0, 5279, 0, 29868, 0, 170435, 0, 978324, 0, 5646204, 0, 32726780, 0, 190380464, 0, 1110922620, 0, 6499777527, 0, 38116781580, 0, 223982494824, 0, 1318530693372, 0, 7774269747257, 0, 45903969026388, 0
Offset: 1

Views

Author

R. H. Hardin Feb 15 2013

Keywords

Comments

Column 2 of A222328

Examples

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

Links

A222323 Number of nX3 0..1 arrays with exactly floor(nX3/2) elements unequal to at least one king-move neighbor, with new values introduced in row major 0..1 order.

Original entry on oeis.org

0, 0, 4, 19, 0, 84, 212, 1366, 1302, 11152, 21206, 132937, 213292, 1337380, 2647514, 15028233, 29622012, 163019148, 347100284, 1830194472, 3971385578, 20474549872, 45912542370, 231923364114, 527948983676, 2633446191848, 6087316332422
Offset: 1

Views

Author

R. H. Hardin Feb 15 2013

Keywords

Comments

Column 3 of A222328

Examples

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

Links

A222324 Number of nX4 0..1 arrays with exactly floor(nX4/2) elements unequal to at least one king-move neighbor, with new values introduced in row major 0..1 order.

Original entry on oeis.org

3, 7, 19, 52, 165, 835, 3307, 14419, 66213, 302731, 1350601, 6283864, 28864821, 132830017, 617677553, 2862431936, 13363660417, 62171655121, 291908874951, 1362607426103, 6418589261153, 30080186463929, 142028701850239
Offset: 1

Views

Author

R. H. Hardin Feb 15 2013

Keywords

Comments

Column 4 of A222328

Examples

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

Links

A222325 Number of nX5 0..1 arrays with exactly floor(nX5/2) elements unequal to at least one king-move neighbor, with new values introduced in row major 0..1 order.

Original entry on oeis.org

4, 0, 0, 165, 674, 3770, 15100, 172590, 759758, 6657106, 30994294, 298933498, 1368656291, 12779873412, 59202186592, 560870492027, 2605855916653, 24609622243330, 114661599066810, 1086770275159481, 5073242396321810
Offset: 1

Views

Author

R. H. Hardin Feb 15 2013

Keywords

Comments

Column 5 of A222328

Examples

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

Links

A222326 Number of nX6 0..1 arrays with exactly floor(nX6/2) elements unequal to at least one king-move neighbor, with new values introduced in row major 0..1 order.

Original entry on oeis.org

4, 32, 84, 835, 3770, 38238, 255304, 2542901, 20957580, 204487984, 1778907664, 17205177010, 154048740446, 1479151681276, 13453816185916, 128432675352749, 1180481843839956, 11227390708740364, 103971035671038556
Offset: 1

Views

Author

R. H. Hardin Feb 15 2013

Keywords

Comments

Column 6 of A222328

Examples

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

Links

A222327 Number of nX7 0..1 arrays with exactly floor(nX7/2) elements unequal to at least one king-move neighbor, with new values introduced in row major 0..1 order.

Original entry on oeis.org

5, 0, 212, 3307, 15100, 255304, 2284728, 37484794, 318665044, 5848569858, 53774145449, 993959061317, 9141439223417, 171115897853704, 1590637978363140, 29928907006839532, 278649808319750564, 5257935209592087820
Offset: 1

Views

Author

R. H. Hardin Feb 15 2013

Keywords

Comments

Column 7 of A222328

Examples

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

Links

A222321 Number of n X n 0..1 arrays with exactly floor(n X n/2) elements unequal to at least one king-move neighbor, with new values introduced in row major 0..1 order.

Original entry on oeis.org

1, 0, 4, 52, 674, 38238, 2284728, 620488671, 174162198742, 206752746752932
Offset: 1

Views

Author

R. H. Hardin Feb 15 2013

Keywords

Comments

Diagonal of A222328

Examples

			Some solutions for n=4
..0..0..0..0....0..1..0..0....0..0..0..0....0..0..1..0....0..0..0..1
..1..0..0..0....1..0..0..0....0..0..0..0....1..1..1..1....0..0..0..1
..1..0..0..0....0..0..0..0....0..0..0..1....1..1..1..1....0..0..0..1
..0..0..0..0....0..0..0..0....0..0..1..1....1..1..1..1....0..0..0..1
Showing 1-7 of 7 results.

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