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 1-8 of 8 results.

A222674 Number of nX3 0..3 arrays with no more than floor(nX3/2) elements unequal to at least one horizontal, diagonal or antidiagonal neighbor, with new values introduced in row major 0..3 order.

Original entry on oeis.org

1, 5, 11, 130, 670, 9587, 51055, 832433, 4403793, 76270010, 393405671, 7110030015, 35866532209, 668872050090, 3316350242047, 63280853470227, 309953030601699, 6011655335449938, 29208300615650596, 572992311551819596
Offset: 1

Views

Author

R. H. Hardin Feb 28 2013

Keywords

Comments

Column 3 of A222679

Examples

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

A222675 Number of nX4 0..3 arrays with no more than floor(nX4/2) elements unequal to at least one horizontal, diagonal or antidiagonal neighbor, with new values introduced in row major 0..3 order.

Original entry on oeis.org

4, 10, 58, 527, 8276, 133028, 2363628, 40206464, 727306856, 12525102179, 225526086320, 3916711645116, 70238669794180, 1227292294581568, 21942415435228510, 385251466640023275, 6872913615981792520
Offset: 1

Views

Author

R. H. Hardin Feb 28 2013

Keywords

Comments

Column 4 of A222679

Examples

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

A222676 Number of nX5 0..3 arrays with no more than floor(nX5/2) elements unequal to at least one horizontal, diagonal or antidiagonal neighbor, with new values introduced in row major 0..3 order.

Original entry on oeis.org

5, 25, 142, 5374, 69973, 3759625, 65204276, 4282689196, 75920948818, 5186372294012, 90996224707074, 6335072237466211, 109968037172246262, 7741427275251672333, 133384891659276633714, 9457744846017795645816
Offset: 1

Views

Author

R. H. Hardin Feb 28 2013

Keywords

Comments

Column 5 of A222679

Examples

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

A222677 Number of nX6 0..3 arrays with no more than floor(nX6/2) elements unequal to at least one horizontal, diagonal or antidiagonal neighbor, with new values introduced in row major 0..3 order.

Original entry on oeis.org

14, 150, 2398, 58167, 1999404, 96510910, 5825299399, 372722811899, 25643150234387, 1732851881279928, 121094603385909893, 8273098252289456960, 577714636773633984180, 39641590237948653551078, 2761858147163956450688323
Offset: 1

Views

Author

R. H. Hardin Feb 28 2013

Keywords

Comments

Column 6 of A222679

Examples

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

A222680 Number of 2Xn 0..3 arrays with no more than floor(2Xn/2) elements unequal to at least one horizontal, diagonal or antidiagonal neighbor, with new values introduced in row major 0..3 order.

Original entry on oeis.org

2, 1, 5, 10, 25, 150, 359, 2249, 6511, 39991, 119033, 747758, 2254819, 14115927, 43486517, 268330409, 844434635, 5129191736, 16468845241, 98454511005, 322307191185, 1896450581728, 6325288982445, 36644084370361, 124416281370753
Offset: 1

Views

Author

R. H. Hardin Feb 28 2013

Keywords

Comments

Row 2 of A222679

Examples

			All solutions for n=3
..0..1..1....0..0..0....0..0..1....0..0..0....0..0..0
..1..1..1....0..0..0....0..0..0....0..0..1....1..0..0
		

A222678 Number of nX7 0..3 arrays with no more than floor(nX7/2) elements unequal to at least one horizontal, diagonal or antidiagonal neighbor, with new values introduced in row major 0..3 order.

Original entry on oeis.org

17, 359, 6463, 687222, 20997839, 3254033272, 169563633880, 40055385632924, 2635079897572698, 708119862583697101, 48390899167019147315
Offset: 1

Views

Author

R. H. Hardin Feb 28 2013

Keywords

Comments

Column 7 of A222679

Examples

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

A222681 Number of 3Xn 0..3 arrays with no more than floor(3Xn/2) elements unequal to at least one horizontal, diagonal or antidiagonal neighbor, with new values introduced in row major 0..3 order.

Original entry on oeis.org

5, 5, 11, 58, 142, 2398, 6463, 146947, 401552, 9871237, 27759999, 675112590, 1962193874, 46428879519, 139050595341, 3201678397354, 9862902257940, 221229238222335, 700012077054917
Offset: 1

Views

Author

R. H. Hardin Feb 28 2013

Keywords

Comments

Row 3 of A222679

Examples

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

A222682 Number of 4Xn 0..3 arrays with no more than floor(4Xn/2) elements unequal to at least one horizontal, diagonal or antidiagonal neighbor, with new values introduced in row major 0..3 order.

Original entry on oeis.org

15, 18, 130, 527, 5374, 58167, 687222, 11377192, 157746714, 2877417604, 41716355254, 762816679067, 11260740512076, 204256746622744, 3052246394940308
Offset: 1

Views

Author

R. H. Hardin Feb 28 2013

Keywords

Comments

Row 4 of A222679

Examples

			Some solutions for n=3
..0..0..0....0..0..0....0..0..1....0..0..0....0..0..0....0..0..0....0..0..0
..0..0..1....0..0..0....0..0..0....0..0..0....0..0..0....0..0..1....0..0..0
..1..0..0....0..0..1....0..0..0....1..0..2....0..0..1....0..0..0....0..0..1
..0..0..0....2..0..2....0..0..0....0..0..0....2..0..3....0..0..2....2..0..1
		
Showing 1-8 of 8 results.