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 1-5 of 5 results.

A223038 Number of nX3 0..3 arrays with no more than floor(nX3/2) elements equal to at least one horizontal, diagonal or antidiagonal neighbor, with new values introduced in row major 0..3 order.

Original entry on oeis.org

2, 98, 3780, 255943, 10904199, 751990800, 33007705273, 2293741863398, 102466787449225, 7147587418650349, 323100169712798727, 22585791054054582654, 1029786157956416130280, 72077809347126994984977
Offset: 1

Views

Author

R. H. Hardin Mar 12 2013

Keywords

Comments

Column 3 of A223041

Examples

			Some solutions for n=3
..0..1..2....0..1..2....0..1..0....0..1..0....0..1..2....0..1..2....0..0..1
..2..1..2....3..1..3....1..2..0....1..2..0....0..3..2....3..1..2....2..1..2
..0..0..1....1..1..0....0..3..3....1..3..3....3..3..2....0..3..0....2..3..2
		

A223039 Number of nX4 0..3 arrays with no more than floor(nX4/2) elements equal to at least one horizontal, diagonal or antidiagonal neighbor, with new values introduced in row major 0..3 order.

Original entry on oeis.org

11, 1265, 229437, 42964721, 8206670940, 1590576924149, 311543161837482, 61504928367575855, 12217149892788877445, 2438751075983097268086, 488783777099597628446445, 98294363180577784998680559
Offset: 1

Views

Author

R. H. Hardin Mar 12 2013

Keywords

Comments

Column 4 of A223041

Examples

			Some solutions for n=3
..0..1..0..2....0..1..0..1....0..0..1..0....0..1..0..0....0..1..0..2
..3..0..3..0....1..1..2..2....2..0..3..0....2..1..2..2....3..1..0..3
..3..0..1..1....2..0..3..0....3..2..1..2....3..1..0..3....0..0..1..1
		

A223042 Number of 2Xn 0..3 arrays with no more than floor(2Xn/2) elements equal to at least one horizontal, diagonal or antidiagonal neighbor, with new values introduced in row major 0..3 order.

Original entry on oeis.org

2, 8, 98, 1265, 17356, 241583, 3395532, 48048796, 683306658, 9759462283, 139866408792, 2010279482902, 28963821801648, 418182844095108, 6048773850787538, 87632133398349504, 1271377018275506438
Offset: 1

Views

Author

R. H. Hardin Mar 12 2013

Keywords

Comments

Row 2 of A223041

Examples

			Some solutions for n=3
..0..1..1....0..1..2....0..0..0....0..1..2....0..0..1....0..1..2....0..1..2
..2..1..0....0..3..2....1..2..1....3..3..3....0..2..1....3..1..1....0..0..3
		

A223043 Number of 3Xn 0..3 arrays with no more than floor(3Xn/2) elements equal to at least one horizontal, diagonal or antidiagonal neighbor, with new values introduced in row major 0..3 order.

Original entry on oeis.org

5, 105, 3780, 229437, 8580619, 545607733, 20971228220, 1358651862708, 53077561321144, 3474963120998767, 137187655129561217, 9041338739497666603, 359601802489393277805, 23807690292325473464228, 952177664603231816246021
Offset: 1

Views

Author

R. H. Hardin Mar 12 2013

Keywords

Comments

Row 3 of A223041

Examples

			Some solutions for n=3
..0..1..2....0..1..0....0..1..0....0..1..0....0..1..0....0..1..1....0..1..1
..3..2..3....2..3..1....0..2..0....0..2..1....0..1..2....2..0..3....0..2..0
..0..2..3....0..1..0....2..1..2....0..2..1....1..1..2....3..0..1....1..2..3
		

A223040 Number of nX5 0..3 arrays with no more than floor(nX5/2) elements equal to at least one horizontal, diagonal or antidiagonal neighbor, with new values introduced in row major 0..3 order.

Original entry on oeis.org

34, 17356, 8580619, 7361951209, 3829674402996, 3416064879339302, 1823295483454946374, 1658639508054654478479, 898959521235518459497060, 827155543754315639990554261
Offset: 1

Views

Author

R. H. Hardin Mar 12 2013

Keywords

Comments

Column 5 of A223041

Examples

			Some solutions for n=3
..0..0..1..2..2....0..0..1..0..2....0..0..1..2..2....0..0..1..0..1
..2..0..0..3..0....0..0..3..0..3....2..0..3..0..1....2..0..1..2..0
..0..3..1..3..2....1..2..2..1..3....1..0..2..1..2....1..0..3..0..3
		
Showing 1-5 of 5 results.