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 1-9 of 9 results.

A222872 Number of nX2 0..3 arrays with no more than floor(nX2/2) elements equal to at least one horizontal or antidiagonal neighbor, with new values introduced in row major 0..3 order.

Original entry on oeis.org

1, 11, 131, 2150, 32491, 533186, 8362152, 135650378, 2155759835, 34780282521, 555913562689, 8947148045345, 143379589806584, 2305060329759954, 36982483115935396, 594232174227590798, 9538759468134692551
Offset: 1

Views

Author

R. H. Hardin Mar 08 2013

Keywords

Comments

Column 2 of A222878

Examples

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

A222873 Number of nX3 0..3 arrays with no more than floor(nX3/2) elements equal to at least one horizontal or antidiagonal neighbor, with new values introduced in row major 0..3 order.

Original entry on oeis.org

2, 122, 6282, 443510, 23794078, 1698174722, 93656293632, 6637413406814, 372075279639542, 26219034320665058, 1485998820062892388, 104217650825897197592, 5955892893018468638926, 416011416350266218862952
Offset: 1

Views

Author

R. H. Hardin Mar 08 2013

Keywords

Comments

Column 3 of A222878

Examples

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

A222874 Number of nX4 0..3 arrays with no more than floor(nX4/2) elements equal to at least one horizontal or antidiagonal neighbor, with new values introduced in row major 0..3 order.

Original entry on oeis.org

11, 1814, 409775, 95867967, 22794825314, 5472896849943, 1322676376672081, 321195816580955511, 78284744747263499257, 19135706630178881122106, 4688528991184907785652449, 1151011442556048521433434944
Offset: 1

Views

Author

R. H. Hardin Mar 08 2013

Keywords

Comments

Column 4 of A222878

Examples

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

A222875 Number of nX5 0..3 arrays with no more than floor(nX5/2) elements equal to at least one horizontal or antidiagonal neighbor, with new values introduced in row major 0..3 order.

Original entry on oeis.org

34, 26311, 19707855, 20978414941, 16473931317022, 17791003053622809, 14337592109053271558, 15577784123509878927189, 12749920491741166976464865, 13889030706696776488786035425, 11487953403507942395037197786965
Offset: 1

Views

Author

R. H. Hardin Mar 08 2013

Keywords

Comments

Column 5 of A222878

Examples

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

A222876 Number of nX6 0..3 arrays with no more than floor(nX6/2) elements equal to at least one horizontal or antidiagonal neighbor, with new values introduced in row major 0..3 order.

Original entry on oeis.org

131, 399849, 1340197778, 4643150795564, 16364046520925461, 58365501277437736651, 209946033151635587197031, 760026285340633515213165141, 2765078298066978400951570461522
Offset: 1

Views

Author

R. H. Hardin Mar 08 2013

Keywords

Comments

Column 6 of A222878

Examples

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

A222877 Number of nX7 0..3 arrays with no more than floor(nX7/2) elements equal to at least one horizontal or antidiagonal neighbor, with new values introduced in row major 0..3 order.

Original entry on oeis.org

438, 6013669, 66248732403, 1036481888251762, 11989849992460360377, 192967638304466060567720, 2288814374497410957902034456, 37306843891418465461998644495695, 449110977900671215379544970452138247
Offset: 1

Views

Author

R. H. Hardin Mar 08 2013

Keywords

Comments

Column 7 of A222878

Examples

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

A222879 Number of 2Xn 0..3 arrays with no more than floor(2Xn/2) elements equal to at least one horizontal or antidiagonal neighbor, with new values introduced in row major 0..3 order.

Original entry on oeis.org

2, 11, 122, 1814, 26311, 399849, 6013669, 91842381, 1400573929, 21492587457, 330100781811, 5085688832352, 78450837933529, 1212393597214424, 18758126651572197, 290589347000277975, 4505965014075887115
Offset: 1

Views

Author

R. H. Hardin Mar 08 2013

Keywords

Comments

Row 2 of A222878

Examples

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

A222880 Number of 3Xn 0..3 arrays with no more than floor(3Xn/2) elements equal to at least one horizontal or antidiagonal neighbor, with new values introduced in row major 0..3 order.

Original entry on oeis.org

5, 131, 6282, 409775, 19707855, 1340197778, 66248732403, 4552388850792, 228017377191609, 15767959380970741, 797585318305106129, 55339415802965980962, 2819443488435447752525, 196019624814751455019691
Offset: 1

Views

Author

R. H. Hardin Mar 08 2013

Keywords

Comments

Row 3 of A222878

Examples

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

A222881 Number of 4Xn 0..3 arrays with no more than floor(4Xn/2) elements equal to at least one horizontal or antidiagonal neighbor, with new values introduced in row major 0..3 order.

Original entry on oeis.org

15, 2150, 443510, 95867967, 20978414941, 4643150795564, 1036481888251762, 232912437941917635, 52614561200004212957, 11936312777288007185980, 2717468404561524996790251, 620503805193057253513443782
Offset: 1

Views

Author

R. H. Hardin Mar 08 2013

Keywords

Comments

Row 4 of A222878

Examples

			Some solutions for n=3
..0..0..1....0..1..0....0..1..0....0..1..0....0..0..0....0..1..0....0..0..1
..1..2..2....0..2..0....0..1..0....0..2..1....1..2..1....0..2..2....1..2..1
..1..2..1....3..0..3....0..1..2....1..1..3....1..1..2....1..0..1....1..0..0
..3..0..2....1..3..3....3..1..3....0..3..1....3..0..2....3..0..3....1..1..0
		
Showing 1-9 of 9 results.