login
The OEIS is supported by the many generous donors to the OEIS Foundation.

 

Logo
Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A186619 T(n,k)=Number of (n+5)X(k+5) binary arrays with every 6X6 subblock commuting with each horizontal and vertical neighbor 6X6 subblock 10
68719476736, 78654, 78654, 140552, 3201, 140552, 654700, 5072, 5072, 654700, 3764191, 25852, 6758, 25852, 3764191, 15228305, 137138, 30997, 30997, 137138, 15228305, 40150599, 451621, 172192, 88336, 172192, 451621, 40150599, 71051374 (list; table; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
Table starts
.68719476736...78654..140552..654700.3764191.15228305.40150599.71051374
.......78654....3201....5072...25852..137138...451621...955892..1448220
......140552....5072....6758...30997..172192...614995..1360475..1965243
......654700...25852...30997...88336..439891..1478651..2676699..3211547
.....3764191..137138..172192..439891.1630171..3608091..4710363..4814107
....15228305..451621..614995.1478651.3608091..5490491..6009659..6088635
....40150599..955892.1360475.2676699.4710363..6009659..6820667..6908987
....71051374.1448220.1965243.3211547.4814107..6088635..6908987..7083459
....92432567.1759720.2222975.3276255.4823775..6098495..6919495..7094123
...100362959.1877180.2268227.3284387.4832547..6108363..6930031..7105051
LINKS
FORMULA
Empirical, for all columns: a(n)=a(n-1)+a(n-4)-a(n-5)+a(n-6)-a(n-7)-a(n-10)+a(n-11)+a(n-12)-a(n-16) for n>26,25,24,23,22,23,24,25 respectively for k=1..8
EXAMPLE
Some solutions for 8X7
..0..0..1..0..0..0..1....0..0..0..1..1..0..0....0..0..0..1..0..1..0
..0..0..0..0..0..0..0....0..0..0..0..0..0..0....0..0..0..0..1..0..0
..0..0..0..0..0..0..0....0..0..0..0..0..0..0....0..0..0..0..0..1..0
..0..0..0..0..0..0..0....0..0..0..0..0..0..0....0..0..0..0..0..0..1
..0..0..0..0..0..0..0....0..0..0..0..0..0..0....0..0..0..0..0..0..0
..0..0..0..0..0..0..0....0..0..0..0..0..0..0....0..0..0..0..0..0..0
..0..0..0..0..0..0..0....0..0..0..0..0..0..0....0..0..0..0..0..0..0
..0..0..0..0..0..0..0....1..1..0..1..1..0..0....0..0..0..0..0..0..0
CROSSREFS
Sequence in context: A352987 A344667 A186610 * A186611 A017004 A017076
KEYWORD
nonn,tabl
AUTHOR
R. H. Hardin Feb 24 2011
STATUS
approved

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Style Sheet | Transforms | Superseeker | Recents
The OEIS Community | Maintained by The OEIS Foundation Inc.

License Agreements, Terms of Use, Privacy Policy. .

Last modified June 20 03:21 EDT 2024. Contains 373512 sequences. (Running on oeis4.)