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 1-5 of 5 results.

A224121 Number of nX3 0..3 arrays with row sums nondecreasing and column sums unimodal.

Original entry on oeis.org

50, 1747, 47059, 1070499, 21632718, 400993828, 6962188526, 114852977638, 1818933416948, 27867476494858, 415428832366407, 6052984236034862, 86509041863415952, 1216196228905636823, 16857689384122403297
Offset: 1

Views

Author

R. H. Hardin Mar 31 2013

Keywords

Comments

Column 3 of A224123

Examples

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

A224124 Number of 2Xn 0..3 arrays with row sums nondecreasing and column sums unimodal.

Original entry on oeis.org

10, 150, 1747, 16782, 140210, 1050460, 7227405, 46371039, 281020959, 1623035066, 9002891450, 48234712165, 250875276249, 1271548675730, 6302249244967, 30627310088497, 146302624587552, 688283767932118, 3194839035650041
Offset: 1

Views

Author

R. H. Hardin Mar 31 2013

Keywords

Comments

Row 2 of A224123

Examples

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

A224125 Number of 3Xn 0..3 arrays with row sums nondecreasing and column sums unimodal.

Original entry on oeis.org

20, 1080, 47059, 1703178, 53355889, 1491827492, 38051383139, 899713542225, 19963535397227, 419672473818646, 8421847090410941, 162325525523034609, 3020162740527368685, 54468878788851494328, 955569173872191005683
Offset: 1

Views

Author

R. H. Hardin Mar 31 2013

Keywords

Comments

Row 3 of A224123

Examples

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

A224122 Number of nX4 0..3 arrays with row sums nondecreasing and column sums unimodal.

Original entry on oeis.org

130, 16782, 1703178, 145901795, 11066001160, 766386005577, 49489265853382, 3023718149469925, 176685707320506238, 9953671018445272136
Offset: 1

Views

Author

R. H. Hardin Mar 31 2013

Keywords

Comments

Column 4 of A224123

Examples

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

A224126 Number of 4Xn 0..3 arrays with row sums nondecreasing and column sums unimodal.

Original entry on oeis.org

35, 6627, 1070499, 145901795, 17292618579, 1830213565657, 176495247198733, 15745932467829042, 1315113237261820410, 103796589850715007818
Offset: 1

Views

Author

R. H. Hardin Mar 31 2013

Keywords

Comments

Row 4 of A224123

Examples

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