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!)
A262919 Number of (5+1)X(n+1) 0..1 arrays with each row divisible by 3 and each column divisible by 7, read as a binary number with top and left being the most significant bits. 1
10, 27, 318, 1411, 18190, 121507, 1444558, 12031011, 132033870, 1214394787, 12726094798, 122360994211, 1252258147150, 12289486776867, 124300598233038, 1231754978783011, 12386462076574030, 123317516595907747 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Row 5 of A262917.

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..210

FORMULA

Empirical: a(n) = 14*a(n-1) +39*a(n-2) -1106*a(n-3) +1561*a(n-4) +22386*a(n-5) -57539*a(n-6) -89894*a(n-7) +251940*a(n-8) +68600*a(n-9) -196000*a(n-10)

EXAMPLE

Some solutions for n=4

..0..0..0..1..1....1..1..0..1..1....0..0..0..0..0....0..0..0..0..0

..0..0..0..1..1....0..0..1..1..0....0..0..1..1..0....0..0..1..1..0

..1..0..1..0..1....1..1..1..1..0....0..0..0..0..0....0..0..0..0..0

..1..0..1..0..1....0..0..1..1..0....0..1..1..1..1....1..1..1..1..0

..1..0..1..0..1....1..1..0..1..1....0..1..0..0..1....1..1..0..0..0

..0..0..0..1..1....0..0..0..1..1....0..1..1..1..1....1..1..1..1..0

CROSSREFS

Cf. A262917.

Sequence in context: A119548 A219629 A262316 * A007705 A196356 A196359

Adjacent sequences:  A262916 A262917 A262918 * A262920 A262921 A262922

KEYWORD

nonn

AUTHOR

R. H. Hardin, Oct 04 2015

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 August 8 12:30 EDT 2022. Contains 356009 sequences. (Running on oeis4.)