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!)
A253730 Number of (n+1) X (6+1) 0..2 arrays with every 2 X 2 subblock diagonal maximum minus antidiagonal maximum unequal to its neighbors horizontally and vertically. 1

%I #6 Apr 17 2022 21:01:41

%S 1051870,172901292,37974926408,8663276276434,1912144574026028,

%T 440533679097542155,98462225092730752800,22746082818241945125251,

%U 5097086484432292252558188,1177131995758338767197585571

%N Number of (n+1) X (6+1) 0..2 arrays with every 2 X 2 subblock diagonal maximum minus antidiagonal maximum unequal to its neighbors horizontally and vertically.

%C Column 6 of A253731.

%H R. H. Hardin, <a href="/A253730/b253730.txt">Table of n, a(n) for n = 1..20</a>

%e Some solutions for n=1

%e ..0..0..0..1..0..1..2....0..1..0..0..2..0..2....0..0..0..0..2..1..1

%e ..0..0..1..0..2..0..2....2..2..1..2..0..2..2....1..1..0..1..1..2..1

%Y Cf. A253731.

%K nonn

%O 1,1

%A _R. H. Hardin_, Jan 10 2015

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 April 25 11:39 EDT 2024. Contains 371969 sequences. (Running on oeis4.)