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 1-6 of 6 results.

A263781 Number of length n arrays of permutations of 0..n-1 with each element moved by -2 to 2 places and exactly two more elements moved upwards than downwards.

Original entry on oeis.org

0, 0, 0, 0, 0, 1, 3, 11, 31, 93, 248, 670, 1724, 4434, 11120, 27772, 68402, 167695, 407659, 986955, 2376323, 5702352, 13631753, 32500113, 77272919, 183336571, 434092838, 1026096990, 2421667040, 5707720617, 13436324063, 31596325769
Offset: 1

Views

Author

R. H. Hardin, Oct 26 2015

Keywords

Comments

Column 2 of A263787

Examples

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

Crossrefs

A263782 Number of length n arrays of permutations of 0..n-1 with each element moved by -3 to 3 places and exactly two more elements moved upwards than downwards.

Original entry on oeis.org

0, 0, 0, 1, 2, 10, 31, 134, 439, 1604, 5088, 17115, 54199, 176073, 552856, 1755516, 5472509, 17149688, 53191180, 165306987, 510614655, 1578127066, 4859554763, 14963066678, 45966984378, 141165413462, 432876102395, 1326862831744
Offset: 1

Views

Author

R. H. Hardin, Oct 26 2015

Keywords

Comments

Column 3 of A263787

Examples

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

Crossrefs

A263783 Number of length n arrays of permutations of 0..n-1 with each element moved by -4 to 4 places and exactly two more elements moved upwards than downwards.

Original entry on oeis.org

0, 0, 0, 1, 5, 37, 116, 572, 2042, 9298, 35064, 149613, 562785, 2272083, 8551255, 33698121, 127422730, 495208463, 1874278884, 7209869659, 27281399998, 104270642849, 394494583551, 1501695837844, 5679621795233, 21560364546542
Offset: 1

Views

Author

R. H. Hardin, Oct 26 2015

Keywords

Comments

Column 4 of A263787

Examples

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

Crossrefs

A263784 Number of length n arrays of permutations of 0..n-1 with each element moved by -5 to 5 places and exactly two more elements moved upwards than downwards.

Original entry on oeis.org

0, 0, 0, 1, 5, 66, 267, 1721, 6618, 35203, 144762, 741173, 3224052, 16013645, 70410201, 336946471, 1484278684, 6936580487, 30771798007, 142201264901, 634570792805, 2910183388216, 13025117664481, 59369311030590
Offset: 1

Views

Author

R. H. Hardin, Oct 26 2015

Keywords

Comments

Column 5 of A263787

Examples

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

Crossrefs

A263785 Number of length n arrays of permutations of 0..n-1 with each element moved by -6 to 6 places and exactly two more elements moved upwards than downwards.

Original entry on oeis.org

0, 0, 0, 1, 5, 66, 392, 3522, 15699, 104014, 463811, 2735525, 12858073, 74523350, 369725340, 2110660483, 10653316753, 59256398945, 300481718854, 1633653025795, 8329842362903, 44742563812167, 229817730687508, 1226116608834208
Offset: 1

Views

Author

R. H. Hardin, Oct 26 2015

Keywords

Comments

Column 6 of A263787

Examples

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

Crossrefs

A263786 Number of length n arrays of permutations of 0..n-1 with each element moved by -7 to 7 places and exactly two more elements moved upwards than downwards.

Original entry on oeis.org

0, 0, 0, 1, 5, 66, 392, 4859, 26994, 232208, 1161998, 8246455, 41787717, 274395962, 1457963344, 9504972075, 53127306403, 343749866061, 1960779086021, 12451275397390, 71531553827855, 445155989823862, 2568693912325240
Offset: 1

Views

Author

R. H. Hardin, Oct 26 2015

Keywords

Comments

Column 7 of A263787

Examples

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

Crossrefs

Showing 1-6 of 6 results.