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!)
A254418 Number of (n+1)X(4+1) 0..2 arrays with every 2X2 subblock diagonal maximum minus antidiagonal maximum nondecreasing horizontally, vertically and ne-to-sw antidiagonally 1
9623, 229652, 6880359, 199339608, 5909079229, 176730239629, 5319044439319, 160859837705171, 4877701778477461, 148204822276555255, 4508452853128697649, 137265217707076238687, 4181409876046551764241, 127420982104754173247655 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
Column 4 of A254422
LINKS
FORMULA
Empirical recurrence of order 60 (see link above)
EXAMPLE
Some solutions for n=1
..1..2..2..2..2....1..1..2..2..2....2..2..2..2..1....0..2..2..2..1
..0..1..0..2..0....2..1..0..0..2....2..1..2..0..2....1..1..0..1..1
CROSSREFS
Sequence in context: A233913 A031653 A253520 * A254425 A237231 A031627
KEYWORD
nonn
AUTHOR
R. H. Hardin, Jan 30 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 February 29 01:59 EST 2024. Contains 370401 sequences. (Running on oeis4.)