A200079 - OEIS

%I #8 Oct 03 2025 08:26:11

%S 1,6,12,26,58,108,202,394,468,848,2560,7740,11372,28356,20660,20032,

%T 68026,312678,662542,1536878,812306,461910,1466416,10325202

%N Number of 0..5 arrays x(0..n) of n+1 elements with zero n-1st differences.

%C Column 5 of A200082

%e Some solutions for n=6

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

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

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

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

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

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

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

%K nonn

%O 1,2

%A _R. H. Hardin_, Nov 13 2011