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.

Previous Showing 11-13 of 13 results.

A189268 Number of 6 X n binary arrays without the pattern 0 0 1 diagonally, antidiagonally or horizontally.

Original entry on oeis.org

64, 4096, 50397, 481552, 5746968, 68635317, 830564651, 9918543104, 118359133086, 1403545047813, 16623051784264, 196302833267970, 2316321573987569, 27295062115112489, 321503206233291862, 3784551169051600902
Offset: 1

Views

Author

R. H. Hardin, Apr 19 2011

Keywords

Comments

Row 6 of A189264.

Examples

			Some solutions for 6 X 3:
..1..0..0....1..0..1....1..1..1....0..1..1....1..1..1....1..1..0....1..1..1
..0..1..1....0..1..1....1..0..0....1..1..1....1..1..1....1..1..0....1..0..1
..0..1..1....1..1..1....0..1..1....0..0..0....1..0..0....0..1..1....0..1..0
..1..1..1....1..0..1....1..1..0....1..1..0....1..1..1....1..1..0....1..1..1
..1..1..0....1..1..1....1..0..1....0..0..0....1..0..0....1..1..0....0..1..1
..1..0..0....0..1..1....0..1..0....0..0..0....1..0..0....1..1..0....0..1..1
		

Crossrefs

Cf. A189264.

A189269 Number of 7Xn binary arrays without the pattern 0 0 1 diagonally, antidiagonally or horizontally.

Original entry on oeis.org

128, 16384, 282332, 3510380, 59399960, 1010709182, 17747766886, 305860450896, 5299192047122, 90905483794394, 1561585881704909, 26700641805782000, 456727133705077304, 7795581516009792174, 133076226298723479664
Offset: 1

Views

Author

R. H. Hardin Apr 19 2011

Keywords

Comments

Row 7 of A189264

Examples

			Some solutions for 7X3
..0..1..0....0..0..0....0..1..0....0..0..0....0..1..0....0..0..0....0..0..0
..1..1..1....1..0..0....1..1..0....0..1..0....1..1..0....0..1..1....0..1..1
..0..1..1....0..1..0....1..1..1....1..1..1....0..1..1....1..1..1....0..1..1
..0..1..1....0..1..0....0..1..1....1..0..0....1..1..1....1..1..0....1..1..0
..1..1..0....1..1..1....1..0..0....1..1..1....0..1..1....0..1..0....1..0..1
..1..1..1....0..1..1....0..0..0....0..0..0....1..0..0....0..1..0....0..1..0
..1..1..1....0..1..1....0..0..0....1..0..0....0..0..0....1..1..1....1..0..0
		

A189270 Number of 8Xn binary arrays without the pattern 0 0 1 diagonally, antidiagonally or horizontally.

Original entry on oeis.org

256, 65536, 1581428, 25556548, 613358776, 14861981162, 379055775099, 9421503162646, 237111028617224, 5881683652328127, 146596745490804535, 3628217307431586933, 89988166151883035972, 2224377075734587644848
Offset: 1

Views

Author

R. H. Hardin Apr 19 2011

Keywords

Comments

Row 8 of A189264

Examples

			Some solutions for 8X3
..0..0..0....0..0..0....0..0..0....0..0..0....0..0..0....0..0..0....0..0..0
..0..1..0....0..1..0....0..1..0....1..0..1....0..1..1....0..1..0....0..1..1
..1..1..1....1..1..1....1..1..0....0..1..0....1..0..0....1..1..1....0..0..0
..0..1..0....1..0..1....1..1..1....0..1..0....0..1..0....0..1..0....0..1..0
..1..1..1....1..1..1....1..0..0....1..1..0....1..0..1....0..1..0....0..1..1
..0..1..1....1..1..0....1..0..1....1..0..0....0..0..0....0..1..0....0..1..1
..1..1..0....1..1..0....0..0..0....0..1..0....1..1..0....1..1..0....0..1..0
..0..1..1....0..0..0....1..0..1....1..0..0....0..1..1....0..0..0....1..1..1
		
Previous Showing 11-13 of 13 results.