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.

A200707 Number of nX1 0..7 arrays with every row and column running average nondecreasing rightwards and downwards.

Original entry on oeis.org

8, 36, 154, 638, 2583, 10283, 40437, 157577, 609826, 2347039, 8992543, 34325682, 130610876, 495631814, 1876372121, 7089015135, 26734090034, 100657714409, 378448861732, 1421055725676, 5329855712676, 19969617365137, 74751054819223
Offset: 1

Views

Author

R. H. Hardin Nov 20 2011

Keywords

Comments

Column 1 of A200713

Examples

			Some solutions for n=3
..2....0....1....0....1....1....1....3....1....0....1....1....0....2....1....4
..2....1....2....2....7....5....3....5....1....3....1....6....7....3....5....7
..3....1....3....7....5....4....4....4....6....6....5....5....7....5....3....6
		

A200708 Number of nX2 0..7 arrays with every row and column running average nondecreasing rightwards and downwards.

Original entry on oeis.org

36, 540, 7370, 95567, 1196837, 14599041, 174544948, 2054226643, 23879098633, 274805736757, 3136426281937, 35550221949225, 400585306584414, 4491028688561012, 50128085812559568, 557352332775257512
Offset: 1

Views

Author

R. H. Hardin Nov 20 2011

Keywords

Comments

Column 2 of A200713

Examples

			Some solutions for n=3
..1..5....3..7....0..5....0..3....1..2....0..2....0..0....0..2....1..4....5..5
..2..5....6..7....0..7....0..6....2..7....3..3....5..6....0..6....1..5....7..7
..7..7....6..7....5..6....3..5....5..6....7..7....4..6....6..6....3..7....6..7
		

A200709 Number of n X 3 0..7 arrays with every row and column running average nondecreasing rightwards and downwards.

Original entry on oeis.org

154, 7370, 317656, 12904303, 501622631, 18836416881, 688892422045, 24679562321720, 870010030574894, 30274045926194001, 1042315568516067529, 35569907932628823872, 1204745819326637993000, 40540325062931324645529
Offset: 1

Views

Author

R. H. Hardin, Nov 20 2011

Keywords

Comments

Column 3 of A200713.

Examples

			Some solutions for n=4
..0..4..7....0..0..3....0..0..1....0..0..1....0..0..0....0..2..2....0..2..2
..0..4..7....0..0..5....0..4..3....0..0..4....0..2..1....0..2..7....0..4..7
..0..6..7....0..4..6....0..2..3....0..0..5....0..4..3....0..4..6....0..4..7
..1..6..7....0..3..7....0..5..3....2..2..7....0..5..4....0..4..5....0..6..6
		

Crossrefs

Cf. A200713.

A200710 Number of n X 4 0..7 arrays with every row and column running average nondecreasing rightwards and downwards.

Original entry on oeis.org

638, 95567, 12904303, 1630978608, 195675787426, 22525604271509, 2512851095363929, 273566206900264111, 29225435372492971841, 3075465941063432826683, 319691253286956006425052
Offset: 1

Views

Author

R. H. Hardin Nov 20 2011

Keywords

Comments

Column 4 of A200713.

Examples

			Some solutions for n=3
..0..0..0..0....0..0..0..0....0..0..1..1....0..0..0..1....0..0..1..1
..0..4..2..3....1..1..3..3....0..0..1..1....0..2..1..1....0..0..3..2
..0..3..4..3....1..3..3..5....5..6..6..7....2..2..2..5....1..3..2..4
		

Crossrefs

Cf. A200713.

A200706 Number of n X n 0..7 arrays with every row and column running average nondecreasing rightwards and downwards.

Original entry on oeis.org

8, 540, 317656, 1630978608, 71952946981858
Offset: 1

Views

Author

R. H. Hardin Nov 20 2011

Keywords

Comments

Diagonal of A200713

Examples

			Some solutions for n=3
..0..0..1....0..0..2....0..2..4....0..0..0....0..0..3....0..4..4....0..0..0
..0..1..7....7..7..7....3..4..4....2..5..6....1..2..3....4..4..7....4..4..4
..0..5..7....6..6..7....3..5..4....3..7..7....1..4..3....3..4..7....3..6..6
		

A200711 Number of nX5 0..7 arrays with every row and column running average nondecreasing rightwards and downwards.

Original entry on oeis.org

2583, 1196837, 501622631, 195675787426, 71952946981858, 25239894694049776
Offset: 1

Views

Author

R. H. Hardin Nov 20 2011

Keywords

Comments

Column 5 of A200713

Examples

			Some solutions for n=3
..0..0..0..0..1....0..0..0..0..1....0..0..0..0..0....0..0..0..0..0
..0..0..0..1..1....0..0..0..1..1....0..0..0..1..3....0..2..1..1..4
..1..3..3..3..4....1..2..5..3..4....0..1..4..3..3....1..1..4..2..6
		

A200712 Number of nX6 0..7 arrays with every row and column running average nondecreasing rightwards and downwards.

Original entry on oeis.org

10283, 14599041, 18836416881, 22525604271509, 25239894694049776
Offset: 1

Views

Author

R. H. Hardin Nov 20 2011

Keywords

Comments

Column 6 of A200713

Examples

			Some solutions for n=2
..0..0..1..2..3..5....0..0..1..2..4..5....0..2..1..2..2..2....0..0..0..0..3..3
..0..1..3..2..6..7....2..2..2..2..6..5....0..2..1..2..4..4....1..1..1..2..4..7
		
Showing 1-7 of 7 results.