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 1-4 of 4 results.

A222650 Number of nX1 0..3 arrays with no more than floor(nX1/2) elements equal to at least one king-move neighbor, with new values introduced in row major 0..3 order.

Original entry on oeis.org

1, 1, 2, 11, 34, 131, 438, 2150, 7676, 32491, 116096, 533186, 1945184, 8362152, 30561808, 135650378, 501075616, 2155759835, 7986345032, 34780282521, 129686419290, 555913562689, 2079094345694, 8947148045345, 33609869742022
Offset: 1

Views

Author

R. H. Hardin Feb 27 2013

Keywords

Comments

Column 1 of A222654

Examples

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

A222651 Number of nX2 0..3 arrays with no more than floor(nX2/2) elements equal to at least one king-move neighbor, with new values introduced in row major 0..3 order.

Original entry on oeis.org

1, 7, 60, 724, 7364, 84816, 927152, 10585088, 119198624, 1364437632, 15584195392, 179262541056, 2063988209152, 23852186896896, 276080500860416, 3202923732204544, 37215026284325888, 433119059193262080
Offset: 1

Views

Author

R. H. Hardin Feb 27 2013

Keywords

Comments

Column 2 of A222654

Examples

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

A222652 Number of nX3 0..3 arrays with no more than floor(nX3/2) elements equal to at least one king-move neighbor, with new values introduced in row major 0..3 order.

Original entry on oeis.org

2, 60, 1229, 61757, 1073368, 58834301, 1009942505, 57422493141, 983799180734, 57167497637058, 980135963312917, 57773208843439338, 991883494877324788, 59053106469546796413, 1015334132464311393068, 60895702441017443043820
Offset: 1

Views

Author

R. H. Hardin Feb 27 2013

Keywords

Comments

Column 3 of A222654

Examples

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

A222653 Number of nX4 0..3 arrays with no more than floor(nX4/2) elements equal to at least one king-move neighbor, with new values introduced in row major 0..3 order.

Original entry on oeis.org

11, 724, 61757, 5024944, 411489189, 33625853402, 2757290901238, 226934394962954, 18748702054088170, 1554468757231979806, 129297779576953689571, 10785833060389951147809, 902060948747063990782774
Offset: 1

Views

Author

R. H. Hardin Feb 27 2013

Keywords

Comments

Column 4 of A222654

Examples

			Some solutions for n=3
..0..0..1..0....0..1..2..0....0..1..0..0....0..1..1..2....0..1..2..0
..1..2..3..2....2..3..3..3....2..3..2..3....3..3..0..3....2..1..0..1
..3..2..2..0....0..2..3..2....2..1..2..0....1..2..0..1....3..1..3..0
		
Showing 1-4 of 4 results.