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.

A201830 Number of nX2 0..3 arrays with every diagonal, row and column running average nondecreasing rightwards and downwards and diagonally.

Original entry on oeis.org

10, 50, 212, 823, 3030, 10777, 37530, 128742, 437110, 1472736, 4933374, 16449879, 54649472, 181008926, 598052300, 1971884632, 6490418396, 21331768570, 70022479666, 229604183052, 752170525867, 2462061236121, 8053252606139
Offset: 1

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Author

R. H. Hardin Dec 05 2011

Keywords

Comments

Column 2 of A201836

Examples

			Some solutions for n=7
..0..1....0..1....0..1....0..0....0..0....0..0....0..0....1..1....0..0....0..0
..1..1....1..2....0..1....0..1....1..1....1..1....0..0....1..2....1..1....1..2
..2..2....1..2....1..3....2..3....1..1....1..3....2..2....1..3....1..1....1..1
..1..3....1..2....1..3....1..3....1..2....1..3....2..2....1..2....1..2....1..1
..2..2....2..3....1..2....2..2....1..2....3..3....1..3....2..2....1..1....1..1
..2..3....3..3....2..3....1..2....1..2....3..3....1..3....2..2....1..1....1..1
..3..3....3..3....2..3....1..2....1..2....2..3....1..3....2..3....1..1....3..3
		

A201831 Number of nX3 0..3 arrays with every diagonal, row and column running average nondecreasing rightwards and downwards and diagonally.

Original entry on oeis.org

23, 212, 1629, 11180, 71501, 434721, 2553223, 14601638, 81799885, 450682446, 2449953613, 13173208338, 70201196318, 371356326457, 1952380236002, 10211349328475, 53172089972396, 275828459680751, 1426182115328813
Offset: 1

Views

Author

R. H. Hardin Dec 05 2011

Keywords

Comments

Column 3 of A201836

Examples

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

A201832 Number of nX4 0..3 arrays with every diagonal, row and column running average nondecreasing rightwards and downwards and diagonally.

Original entry on oeis.org

51, 823, 11180, 135236, 1513357, 15948080, 160648302, 1559706843, 14692678301, 134927163853, 1212424285166, 10691263233469, 92739873027153, 792943021386085, 6694286144508402, 55884695484131751, 461907052202339158
Offset: 1

Views

Author

R. H. Hardin Dec 05 2011

Keywords

Comments

Column 4 of A201836

Examples

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

A201829 Number of n X n 0..3 arrays with every diagonal, row and column running average nondecreasing rightwards and downwards and diagonally.

Original entry on oeis.org

4, 50, 1629, 135236, 29732625, 17998651651, 31002396811493
Offset: 1

Views

Author

R. H. Hardin Dec 05 2011

Keywords

Comments

Diagonal of A201836

Examples

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

A201833 Number of nX5 0..3 arrays with every diagonal, row and column running average nondecreasing rightwards and downwards and diagonally.

Original entry on oeis.org

110, 3030, 71501, 1513357, 29732625, 550056273, 9704449810, 164528513926, 2699295015987, 43085122777927, 671924748332545, 10272030561992753, 154341402425744006, 2284337350261887830, 33367505535194365713
Offset: 1

Views

Author

R. H. Hardin Dec 05 2011

Keywords

Comments

Column 5 of A201836

Examples

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

A201834 Number of nX6 0..3 arrays with every diagonal, row and column running average nondecreasing rightwards and downwards and diagonally.

Original entry on oeis.org

233, 10777, 434721, 15948080, 550056273, 17998651651, 561578131760, 16796197116664, 485048305371706, 13610530901931151
Offset: 1

Views

Author

R. H. Hardin Dec 05 2011

Keywords

Comments

Column 6 of A201836

Examples

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

A201835 Number of nX7 0..3 arrays with every diagonal, row and column running average nondecreasing rightwards and downwards and diagonally.

Original entry on oeis.org

488, 37530, 2553223, 160648302, 9704449810, 561578131760, 31002396811493, 1636366978468967
Offset: 1

Views

Author

R. H. Hardin Dec 05 2011

Keywords

Comments

Column 7 of A201836

Examples

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