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.

A201102 Number of n X 2 0..7 arrays with every row and column running average nondecreasing rightwards and downwards, and the number of instances of each value within one of each other.

Original entry on oeis.org

28, 140, 334, 103, 14881, 246332, 838638, 324469, 54328646, 960991707, 3157790020, 1057637803, 221465699177, 4636455864017, 17172840400292, 6213696250684, 1322921262723003, 27235717697960253, 96311573893944098, 32407513702617077
Offset: 1

Views

Author

R. H. Hardin, Nov 26 2011

Keywords

Comments

Column 2 of A201105.

Examples

			Some solutions for n=5
..0..2....0..1....0..1....0..2....0..1....0..1....0..3....0..2....0..3....0..1
..0..3....2..3....0..4....1..6....3..5....0..1....2..4....0..5....0..3....2..6
..1..4....1..2....2..3....4..7....2..4....2..3....1..7....1..4....1..6....2..5
..4..5....5..7....1..5....3..5....6..6....5..6....4..6....3..7....4..5....3..7
..6..7....4..6....6..7....2..6....4..7....4..7....2..5....5..6....2..7....4..7

Links

Crossrefs

Cf. A201105.

A201103 Number of nX3 0..7 arrays with every row and column running average nondecreasing rightwards and downwards, and the number of instances of each value within one of each other.

Original entry on oeis.org

90, 334, 2052, 235661, 659775, 44795285, 1777011587, 875626837, 945490859978, 11683020413431
Offset: 1

Views

Author

R. H. Hardin Nov 26 2011

Keywords

Comments

Column 3 of A201105

Examples

			Some solutions for n=3
..0..2..1....0..3..2....0..1..3....0..3..3....0..2..2....0..2..1....0..2..4
..4..7..7....1..4..5....2..5..4....2..5..4....1..4..3....3..3..7....1..3..5
..3..5..6....6..6..7....3..7..6....1..7..6....5..7..6....4..6..5....4..7..6

A201104 Number of nX4 0..7 arrays with every row and column running average nondecreasing rightwards and downwards, and the number of instances of each value within one of each other.

Original entry on oeis.org

213, 103, 235661, 267814, 751183732, 776236449
Offset: 1

Views

Author

R. H. Hardin Nov 26 2011

Keywords

Comments

Column 4 of A201105

Examples

			Some solutions for n=2
..0..2..1..4....0..2..6..3....0..2..3..5....0..1..4..3....0..3..2..4
..3..5..7..6....1..4..7..5....1..7..4..6....2..6..5..7....1..6..5..7
Showing 1-3 of 3 results.

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