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.

A217543 Number of n X 4 arrays of the minimum value of corresponding elements and their horizontal, vertical, diagonal or antidiagonal neighbors in a random 0..2 n X 4 array.

Original entry on oeis.org

17, 17, 289, 1401, 10213, 64473, 431241, 2824177, 18626981, 122511585, 806649933, 5309370017, 34951088945, 230067107597, 1514453687653, 9969070507989, 65622772473105, 431970507432905, 2843503407066145, 18717737327894065
Offset: 1

Views

Author

R. H. Hardin, Oct 06 2012

Keywords

Comments

Column 4 of A217547.

Examples

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

Crossrefs

Cf. A217547.

A217544 Number of nX5 arrays of the minimum value of corresponding elements and their horizontal, vertical, diagonal or antidiagonal neighbors in a random 0..2 nX5 array.

Original entry on oeis.org

37, 37, 1369, 10213, 128051, 1342855, 15130953, 166010145, 1837220123, 20265096203, 223831206295, 2471187319639, 27287372688681, 301292816760745, 3326790789572465, 36733212610237445, 405596153254345945
Offset: 1

Views

Author

R. H. Hardin Oct 06 2012

Keywords

Comments

Column 5 of A217547

Examples

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

A217545 Number of nX6 arrays of the minimum value of corresponding elements and their horizontal, vertical, diagonal or antidiagonal neighbors in a random 0..2 nX6 array.

Original entry on oeis.org

77, 77, 5929, 64473, 1342855, 22263471, 404884061, 7113718205, 126448240507, 2237636413927, 39669951994791, 702866699722671, 12456183671452025, 220727566637096409, 3911489405652353901, 69314298531106981689
Offset: 1

Views

Author

R. H. Hardin Oct 06 2012

Keywords

Comments

Column 6 of A217547

Examples

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

A217542 Number of n X n arrays of the minimum value of corresponding elements and their horizontal, vertical, diagonal or antidiagonal neighbors in a random 0..2 n X n array.

Original entry on oeis.org

3, 3, 81, 1401, 128051, 22263471, 12094757481, 16101863824781
Offset: 1

Views

Author

R. H. Hardin Oct 06 2012

Keywords

Comments

Diagonal of A217547

Examples

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

A217546 Number of nX7 arrays of the minimum value of corresponding elements and their horizontal, vertical, diagonal or antidiagonal neighbors in a random 0..2 nX7 array.

Original entry on oeis.org

163, 163, 26569, 431241, 15130953, 404884061, 12094757481, 346695485697, 10077786323603, 291384560664827, 8443518320304783, 244493759805948271, 7081616324771335757, 205091765825502926741, 5939929092602886694613
Offset: 1

Views

Author

R. H. Hardin Oct 06 2012

Keywords

Comments

Column 7 of A217547

Examples

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