A251932 - OEIS

%I #6 Jul 23 2025 13:32:57

%S 51,506,2695,17598,117980,759084,4748562,29209810,177862134,

%T 1076319648,6489266533,39041806712,234610132332,1408881286216,

%U 8457464901949,50759219688614,304605672299946,1827811582896672,10967502045210465

%N Number of length n+2 0..5 arrays with the sum of the maximum minus the median of adjacent triples multiplied by some arrangement of +-1 equal to zero.

%C Column 5 of A251935

%H R. H. Hardin, <a href="/A251932/b251932.txt">Table of n, a(n) for n = 1..33</a>

%e Some solutions for n=5

%e ..0....0....1....0....4....4....0....0....3....4....0....3....3....4....3....0

%e ..2....1....3....1....0....4....0....5....5....4....3....4....0....4....3....3

%e ..3....3....0....0....1....2....0....2....5....1....4....0....2....4....5....3

%e ..5....3....3....5....1....5....1....2....3....3....3....0....5....4....0....2

%e ..0....0....2....4....1....1....2....2....3....3....3....1....5....5....3....1

%e ..1....4....2....2....4....3....5....3....4....5....0....5....3....4....0....2

%e ..4....1....2....3....4....3....1....2....0....4....0....3....0....5....0....1

%K nonn

%O 1,1

%A _R. H. Hardin_, Dec 11 2014