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 1-6 of 6 results.

A222372 Number of nX1 0..3 arrays with no more than floor(nX1/2) elements unequal to at least one horizontal or vertical neighbor, with new values introduced in row major 0..3 order.

Original entry on oeis.org

1, 1, 1, 4, 5, 14, 17, 75, 95, 411, 519, 2522, 3211, 15919, 20299, 103627, 132515, 683480, 875491, 4554799, 5844093, 30542304, 39239961, 205785953, 264702489, 1391485044, 1791699029, 9436529666, 12161620195, 64150640719, 82742154707
Offset: 1

Views

Author

R. H. Hardin Feb 17 2013

Keywords

Comments

Column 1 of A222378

Examples

			All solutions for n=4
..0....0....0....0
..0....0....1....0
..1....0....1....0
..1....0....1....1
		

A222373 Number of nX2 0..3 arrays with no more than floor(nX2/2) elements unequal to at least one horizontal or vertical neighbor, with new values introduced in row major 0..3 order.

Original entry on oeis.org

1, 1, 5, 18, 63, 234, 1163, 4953, 24021, 109395, 536457, 2526558, 12324313, 59135699, 288057673, 1396084937, 6800380165, 33152287976, 161670473265, 790996243845, 3863624579433, 18948369852560, 92716137764021, 455475835479225
Offset: 1

Views

Author

R. H. Hardin Feb 17 2013

Keywords

Comments

Column 2 of A222378

Examples

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

A222374 Number of nX3 0..3 arrays with no more than floor(nX3/2) elements unequal to at least one horizontal or vertical neighbor, with new values introduced in row major 0..3 order.

Original entry on oeis.org

1, 5, 9, 118, 498, 8111, 37107, 676485, 3140167, 58995438, 275054103, 5223616489, 24395423052, 466212749842, 2180168118272, 41855166855421, 195981171753608, 3775984650279490, 17703134058396750, 342076192235557748
Offset: 1

Views

Author

R. H. Hardin Feb 17 2013

Keywords

Comments

Column 3 of A222378

Examples

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

A222375 Number of nX4 0..3 arrays with no more than floor(nX4/2) elements unequal to at least one horizontal or vertical neighbor, with new values introduced in row major 0..3 order.

Original entry on oeis.org

4, 18, 118, 1391, 20340, 342953, 6221698, 113556454, 2103238076, 38940850866, 724814585064, 13496985711211, 251700828899740, 4703187944642436, 87873606070564444, 1646203673458642042, 30815057060615530576
Offset: 1

Views

Author

R. H. Hardin Feb 17 2013

Keywords

Comments

Column 4 of A222378

Examples

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

A222376 Number of nX5 0..3 arrays with no more than floor(nX5/2) elements unequal to at least one horizontal or vertical neighbor, with new values introduced in row major 0..3 order.

Original entry on oeis.org

5, 63, 498, 20340, 271141, 16985929, 286125939, 20743320247, 373691424190, 27882988244881, 509605326368069, 38307687628079400, 703184052898346968, 52999539133762131621, 974700127061083249468, 73589121388228405830161
Offset: 1

Views

Author

R. H. Hardin Feb 17 2013

Keywords

Comments

Column 5 of A222378

Examples

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

A222377 Number of nX6 0..3 arrays with no more than floor(nX6/2) elements unequal to at least one horizontal or vertical neighbor, with new values introduced in row major 0..3 order.

Original entry on oeis.org

14, 234, 8111, 342953, 16985929, 963154789, 61522684225, 4169901076870, 296032656700259, 21407365398250792
Offset: 1

Views

Author

R. H. Hardin Feb 17 2013

Keywords

Comments

Column 6 of A222378

Examples

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