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.

A223306 Number of nX3 0..2 arrays with every row least squares fitting to a positive slope straight line and every column least squares fitting to a zero or positive slope straight line, with a single point array taken as having zero slope.

Original entry on oeis.org

9, 36, 324, 1845, 17343, 119660, 1139787, 8607060, 81980208, 654895692, 6214786587, 51174096165, 483028282800, 4058363367764, 38087602931007, 324428475860991, 3027965859096579, 26044772393542375, 242002470580757595
Offset: 1

Views

Author

R. H. Hardin Mar 19 2013

Keywords

Comments

Column 2 of A223309

Examples

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

A223310 Number of 1X(n+1) 0..2 arrays with every row least squares fitting to a positive slope straight line and every column least squares fitting to a zero or positive slope straight line, with a single point array taken as having zero slope.

Original entry on oeis.org

3, 9, 36, 102, 343, 996, 3159, 9237, 28755, 84570, 260442, 769023, 2353687, 6969738, 21244302, 63039522, 191601206, 569452122, 1727158776, 5139583854, 15563717515, 46359362664, 140211940350, 417981796023, 1262920615919, 3767350662711
Offset: 1

Views

Author

R. H. Hardin Mar 19 2013

Keywords

Comments

Row 1 of A223309

Examples

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

A223307 Number of nX4 0..2 arrays with every row least squares fitting to a positive slope straight line and every column least squares fitting to a zero or positive slope straight line, with a single point array taken as having zero slope.

Original entry on oeis.org

36, 340, 12240, 221346, 8909352, 221358126, 8788947912, 255893927728, 10060028772840
Offset: 1

Views

Author

R. H. Hardin Mar 19 2013

Keywords

Comments

Column 3 of A223309

Examples

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

A223308 Number of nX5 0..2 arrays with every row least squares fitting to a positive slope straight line and every column least squares fitting to a zero or positive slope straight line, with a single point array taken as having zero slope.

Original entry on oeis.org

102, 1914, 195228, 8514450, 1004831988, 65367672572, 7542329913228, 595130987105424, 67669389684243828
Offset: 1

Views

Author

R. H. Hardin Mar 19 2013

Keywords

Comments

Column 4 of A223309

Examples

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

A223311 Number of 3X(n+1) 0..2 arrays with every row least squares fitting to a positive slope straight line and every column least squares fitting to a zero or positive slope straight line, with a single point array taken as having zero slope.

Original entry on oeis.org

18, 324, 12240, 195228, 4750550, 78948936, 1652577147, 27860306868, 553833204570, 9464178634560
Offset: 1

Views

Author

R. H. Hardin Mar 19 2013

Keywords

Comments

Row 3 of A223309

Examples

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