login
The OEIS Foundation is supported by donations from users of the OEIS and by a grant from the Simons Foundation.

 

Logo


Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A237409 Number of (n+1) X (5+1) 0..2 arrays with the maximum plus the upper median plus the minimum of every 2 X 2 subblock differing from its horizontal and vertical neighbors by exactly one. 1
21456, 238640, 2671962, 35476776, 480758688, 6045609040, 74740595664, 958854072908, 12448856412422, 158549359318752, 2007141088266072, 25632018579342668, 328941744848836330, 4196826763296220744 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 5 of A237412.

LINKS

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

EXAMPLE

Some solutions for n=1

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

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

CROSSREFS

Sequence in context: A086477 A205637 A255090 * A252102 A096554 A295994

Adjacent sequences:  A237406 A237407 A237408 * A237410 A237411 A237412

KEYWORD

nonn

AUTHOR

R. H. Hardin, Feb 07 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 May 14 15:03 EDT 2021. Contains 343884 sequences. (Running on oeis4.)