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.

A200825 Number of n X 2 0..5 arrays with every row and column running average nondecreasing rightwards and downwards.

Original entry on oeis.org

21, 196, 1630, 12776, 96511, 709506, 5112134, 36238976, 253579683, 1755615191, 12048364111, 82078204820, 555669049602, 3741805083510, 25080702664546, 167435417347772, 1113826183859653, 7386330575306323, 48846398558444346
Offset: 1

Views

Author

R. H. Hardin, Nov 23 2011

Keywords

Comments

Column 2 of A200831.

Examples

			Some solutions for n=3:
..2..2....0..1....3..3....1..2....0..4....1..3....1..1....1..1....1..2....0..0
..3..4....2..3....3..4....2..5....0..4....3..4....2..3....1..4....1..3....1..4
..3..4....5..5....3..4....2..5....3..5....2..4....3..3....2..3....1..4....1..3
		

A200826 Number of nX3 0..5 arrays with every row and column running average nondecreasing rightwards and downwards.

Original entry on oeis.org

69, 1630, 33540, 642953, 11757774, 207535740, 3568229516, 60064451704, 994081203872, 16221664901551, 261576061692669, 4174923985695564, 66040940309213362, 1036456712144381487, 16152737625133763191
Offset: 1

Views

Author

R. H. Hardin Nov 23 2011

Keywords

Comments

Column 3 of A200831

Examples

			Some solutions for n=4
..0..0..0....0..0..0....0..0..1....0..0..0....0..0..1....0..0..0....0..0..1
..0..1..2....0..2..3....0..1..1....0..1..2....0..1..3....0..0..0....0..2..3
..0..4..2....2..2..5....0..3..3....0..2..1....2..3..4....1..5..5....3..3..5
..1..3..5....3..5..4....3..3..4....2..5..5....3..5..5....1..3..3....3..3..5
		

A200827 Number of nX4 0..5 arrays with every row and column running average nondecreasing rightwards and downwards.

Original entry on oeis.org

219, 12776, 642953, 29830782, 1307781737, 54981059192, 2243416408567, 89423476817120, 3499282820109344, 134839582934045576, 5128001888138908757, 192784866403516517599, 7173689814037090539114, 264492224043213953480771
Offset: 1

Views

Author

R. H. Hardin Nov 23 2011

Keywords

Comments

Column 4 of A200831

Examples

			Some solutions for n=3
..0..0..1..1....0..0..3..1....0..0..5..2....0..0..0..0....0..0..0..0
..0..0..1..1....0..2..4..3....0..1..5..3....0..2..1..4....0..1..2..3
..3..3..3..5....4..4..4..5....1..5..5..4....1..3..5..5....2..2..5..4
		

A200824 Number of n X n 0..5 arrays with every row and column running average nondecreasing rightwards and downwards.

Original entry on oeis.org

6, 196, 33540, 29830782, 136335515996, 3164384915244242
Offset: 1

Views

Author

R. H. Hardin Nov 23 2011

Keywords

Comments

Diagonal of A200831

Examples

			Some solutions for 3X3
..0..0..4....0..1..2....0..0..4....1..1..2....0..2..5....1..1..3....0..1..3
..1..2..4....0..4..2....2..4..4....1..3..3....0..5..5....2..2..4....0..3..4
..1..5..5....2..5..4....1..3..5....4..4..5....1..4..5....2..2..5....3..3..4
		

A200828 Number of nX5 0..5 arrays with every row and column running average nondecreasing rightwards and downwards.

Original entry on oeis.org

679, 96511, 11757774, 1307781737, 136335515996, 13551445405790, 1303531416951055, 122329194886388656, 11265061632847653047
Offset: 1

Views

Author

R. H. Hardin Nov 23 2011

Keywords

Comments

Column 5 of A200831

Examples

			Some solutions for n=3
..0..0..0..0..2....0..0..0..3..2....0..0..0..2..3....0..0..0..1..4
..0..0..0..2..4....0..0..0..4..3....0..0..0..4..4....0..0..0..2..5
..0..2..4..5..5....0..1..3..5..3....0..0..5..3..4....0..2..3..2..5
		

A200829 Number of nX6 0..5 arrays with every row and column running average nondecreasing rightwards and downwards.

Original entry on oeis.org

2070, 709506, 207535740, 54981059192, 13551445405790, 3164384915244242
Offset: 1

Views

Author

R. H. Hardin Nov 23 2011

Keywords

Comments

Column 6 of A200831

Examples

			Some solutions for n=3
..0..0..0..0..2..1....0..0..0..0..2..1....0..0..0..3..1..4....0..0..0..0..1..1
..0..0..0..3..4..5....0..0..0..1..3..3....0..0..0..3..1..5....0..0..0..1..1..4
..0..0..0..3..5..5....0..0..0..5..3..5....0..0..0..3..5..5....0..0..0..4..1..3
		

A200830 Number of nX7 0..5 arrays with every row and column running average nondecreasing rightwards and downwards.

Original entry on oeis.org

6235, 5112134, 3568229516, 2243416408567, 1303531416951055
Offset: 1

Views

Author

R. H. Hardin Nov 23 2011

Keywords

Comments

Column 7 of A200831

Examples

			Some solutions for n=3
..0..0..0..0..0..2..1....0..0..0..0..1..2..1....0..0..0..0..0..1..1
..0..0..0..0..3..3..4....0..0..0..0..1..2..2....0..0..0..0..0..3..3
..0..0..0..0..3..5..4....0..0..0..0..2..5..2....0..0..0..0..3..5..4
		
Showing 1-7 of 7 results.