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 1-3 of 3 results.

A273967 Number of nX4 0..3 arrays with no three equal values forming an isosceles triangle, and new values introduced in 0..3 order.

Original entry on oeis.org

15, 1264, 24587, 49534, 36817, 40569, 36570, 90627, 89429, 182457, 100921, 179282, 121279, 301658, 206783, 445549, 325633, 652935, 526099, 1011751, 897383, 1627068, 1524277, 2600188, 2533039, 4097718, 4108747, 6343186, 6487741, 9626296, 9987409
Offset: 1

Views

Author

R. H. Hardin, Jun 05 2016

Keywords

Comments

Column 4 of A273968.

Examples

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

Crossrefs

Cf. A273968.

A273965 Number of nX2 0..3 arrays with no three equal values forming an isosceles triangle, and new values introduced in 0..3 order.

Original entry on oeis.org

2, 10, 105, 1264, 13045, 136063, 1273961, 11936399, 95697853, 800561388, 5824237329, 42821430074, 277065391875
Offset: 1

Views

Author

R. H. Hardin, Jun 05 2016

Keywords

Comments

Column 2 of A273968.

Examples

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

Crossrefs

Cf. A273968.

A273966 Number of nX3 0..3 arrays with no three equal values forming an isosceles triangle, and new values introduced in 0..3 order.

Original entry on oeis.org

5, 105, 1946, 24587, 211121, 2116450, 15084593, 112714143, 511843593, 2841058530, 10796121020, 48330908582
Offset: 1

Views

Author

R. H. Hardin, Jun 05 2016

Keywords

Comments

Column 3 of A273968.

Examples

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

Crossrefs

Cf. A273968.
Showing 1-3 of 3 results.