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.

A232299 Number of 5Xn 0..2 arrays with every 0 next to a 1 and every 1 next to a 2 horizontally or antidiagonally.

Original entry on oeis.org

1, 1727, 240241, 25116353, 2885285507, 339565321435, 39660722273643, 4626194825153697, 539876319125367771, 63007847133734278905, 7353315697711530754635, 858164092027643141044841
Offset: 1

Views

Author

R. H. Hardin, Nov 22 2013

Keywords

Comments

Row 5 of A232295

Examples

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

A232300 Number of 6Xn 0..2 arrays with every 0 next to a 1 and every 1 next to a 2 horizontally or antidiagonally.

Original entry on oeis.org

1, 8401, 3249889, 877968487, 267483142619, 84130295708483, 26187902385019287, 8136241891839631865, 2529645200623557298353, 786580592473211934495715, 244572157423387608710030975, 76044579489609299365492556559
Offset: 1

Views

Author

R. H. Hardin, Nov 22 2013

Keywords

Comments

Row 6 of A232295

Examples

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

A232301 Number of 7Xn 0..2 arrays with every 0 next to a 1 and every 1 next to a 2 horizontally or antidiagonally.

Original entry on oeis.org

1, 40867, 43963319, 30690409685, 24797475083765, 20843967523877175, 17291702408190208843, 14309005468246109828087, 11852395942038473338742213, 9819088600464792990304624339, 8134045894315455725212916395019
Offset: 1

Views

Author

R. H. Hardin, Nov 22 2013

Keywords

Comments

Row 7 of A232295

Examples

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