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.

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A239856 Number of nX6 0..3 arrays with no element equal to zero plus the sum of elements to its left or zero plus the sum of elements above it or one plus the sum of the elements diagonally to its northwest or one plus the sum of the elements antidiagonally to its northeast, modulo 4.

Original entry on oeis.org

14, 63, 742, 3463, 19065, 176208, 1162638, 11924924, 111900643, 995175724, 11233529298, 96970528381, 981885908002, 9907031620412
Offset: 1

Views

Author

R. H. Hardin, Mar 28 2014

Keywords

Comments

Column 6 of A239858

Examples

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

A239857 Number of nX7 0..3 arrays with no element equal to zero plus the sum of elements to its left or zero plus the sum of elements above it or one plus the sum of the elements diagonally to its northwest or one plus the sum of the elements antidiagonally to its northeast, modulo 4.

Original entry on oeis.org

20, 100, 1382, 9963, 77212, 937154, 9885999, 147826427, 2030390429, 28426183961
Offset: 1

Views

Author

R. H. Hardin, Mar 28 2014

Keywords

Comments

Column 7 of A239858

Examples

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

A239863 Number of 6Xn 0..3 arrays with no element equal to zero plus the sum of elements to its left or zero plus the sum of the elements above it or one plus the sum of the elements diagonally to its northwest or one plus the sum of the elements antidiagonally to its northeast, modulo 4.

Original entry on oeis.org

14, 5, 343, 1757, 28184, 176208, 937154, 23072270, 141040759, 3115456483, 23974400318
Offset: 1

Views

Author

R. H. Hardin, Mar 28 2014

Keywords

Comments

Row 6 of A239858

Examples

			Some solutions for n=4
..2..3..3..2....2..3..3..2....3..2..3..2....2..3..3..2....3..2..3..2
..3..1..2..3....3..1..2..3....2..1..2..3....3..1..1..3....2..1..2..3
..2..3..2..0....2..3..2..0....3..2..2..0....2..3..2..2....2..0..3..0
..2..0..0..0....2..0..0..3....2..3..2..0....2..0..1..0....2..1..2..3
..3..2..0..0....3..2..2..2....3..2..2..2....3..2..2..2....3..2..3..3
..2..3..2..2....2..3..2..0....2..1..0..0....3..2..0..2....3..1..3..0
		
Previous Showing 11-13 of 13 results.