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 1-2 of 2 results.

A189111 T(n,k)=Number of nXk binary arrays without the pattern 1 1 0 diagonally or antidiagonally.

Original entry on oeis.org

2, 4, 4, 8, 16, 8, 16, 64, 64, 16, 32, 256, 400, 256, 32, 64, 1024, 2500, 2500, 1024, 64, 128, 4096, 16100, 23716, 15200, 4096, 128, 256, 16384, 103684, 244000, 207936, 92416, 16384, 256, 512, 65536, 665252, 2515396, 3179520, 1806336, 560576, 65536
Offset: 1

Views

Author

R. H. Hardin Apr 16 2011

Keywords

Comments

Table starts
....2.......4.........8.........16............32..............64
....4......16........64........256..........1024............4096
....8......64.......400.......2500.........16100..........103684
...16.....256......2500......23716........244000.........2515396
...32....1024.....15200.....207936.......3179520........49561600
...64....4096.....92416....1806336......40933920.......953574400
..128...16384....560576...15523600.....517260800.....17821182016
..256...65536...3400336..133079296....6517280000....332070977536
..512..262144..20623296.1138927504...81726092800...6138818896896
.1024.1048576.125081856.9743269264.1024109836800.113361334648384

Examples

			Some solutions for 5X3
..1..0..1....0..1..0....0..0..0....0..1..1....0..0..1....0..1..1....1..0..1
..0..0..0....0..0..0....1..1..1....0..0..0....0..0..0....0..1..0....1..0..1
..1..1..1....1..0..0....0..0..1....1..0..1....0..1..0....1..1..0....1..0..0
..1..0..0....1..0..1....0..0..0....1..0..0....1..0..0....0..0..1....0..0..0
..1..0..0....1..0..1....1..1..1....1..0..0....0..1..0....0..0..0....0..0..1

Links

Crossrefs

Row 3 is A181214

A188910 T(n,k)=Number of nXk binary arrays without the pattern 0 1 0 diagonally or antidiagonally.

Original entry on oeis.org

2, 4, 4, 8, 16, 8, 16, 64, 64, 16, 32, 256, 400, 256, 32, 64, 1024, 2500, 2500, 1024, 64, 128, 4096, 16100, 21904, 16100, 4096, 128, 256, 16384, 103684, 204304, 204304, 103684, 16384, 256, 512, 65536, 665252, 1971216, 2895584, 1971216, 665252, 65536
Offset: 1

Views

Author

R. H. Hardin Apr 13 2011

Keywords

Comments

Table starts
....2.......4.........8..........16............32..............64
....4......16........64.........256..........1024............4096
....8......64.......400........2500.........16100..........103684
...16.....256......2500.......21904........204304.........1971216
...32....1024.....16100......204304.......2895584........44408896
...64....4096....103684.....1971216......44408896......1139265009
..128...16384....665252....18939904.....677191152.....28911561156
..256...65536...4268356...180741136...10097838144....705042350224
..512..262144..27399292..1723910400..150112575200..17119758585609
.1024.1048576.175880644.16461916416.2241104809024.419737861125025

Examples

			Some solutions for 5X3
..0..0..0....1..0..0....1..0..1....0..1..1....1..0..1....1..1..0....0..0..1
..0..1..1....0..0..1....1..1..0....0..1..0....1..0..0....1..0..0....0..0..0
..1..0..1....0..0..0....0..0..1....1..0..1....1..0..1....0..0..0....1..0..0
..0..0..0....1..1..0....1..0..1....1..1..1....0..0..1....1..0..1....1..1..1
..1..0..1....1..0..1....1..1..1....1..0..1....0..1..1....1..0..1....1..1..0

Links

Crossrefs

Column 2 is Column 1 squared
Column 3 is A181214
Showing 1-2 of 2 results.

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