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!)
A236776 Number of (n+1)X(2+1) 0..2 arrays colored with the maximum plus the upper median plus the minimum minus the lower median of every 2X2 subblock 1
474, 4170, 36260, 315666, 2750070, 24023328, 209304200, 1823484380, 15890176976, 138601000818, 1208141839194, 10529035857142, 91766648504242, 800062878156980, 6974266520901384, 60789422316274248, 529857104228127312 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 2 of A236780

LINKS

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

R. H. Hardin, Empirical recurrence of order 62

FORMULA

Empirical recurrence of order 62 (see link above)

EXAMPLE

Some solutions for n=3

..2..2..2....1..1..0....2..2..0....1..2..0....1..2..1....0..2..0....1..2..1

..1..2..2....1..0..2....0..0..0....0..2..2....2..2..1....2..0..0....0..1..1

..1..0..1....1..0..2....0..2..1....2..0..1....0..0..1....0..0..0....2..0..1

..0..2..1....2..0..0....2..0..1....2..1..1....2..0..0....2..2..0....2..2..0

CROSSREFS

Sequence in context: A045302 A187612 A237679 * A236636 A104649 A165463

Adjacent sequences:  A236773 A236774 A236775 * A236777 A236778 A236779

KEYWORD

nonn

AUTHOR

R. H. Hardin, Jan 31 2014

STATUS

approved

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

License Agreements, Terms of Use, Privacy Policy. .

Last modified January 16 19:48 EST 2022. Contains 350376 sequences. (Running on oeis4.)