cp's OEIS Frontend

A254223 Number of length 6 1..(n+2) arrays with no leading or trailing partial sum equal to a prime and no consecutive values equal.

%I A254223 #6 Jul 23 2025 14:33:42
%S A254223 0,2,6,136,192,1472,3720,11182,16698,44652,58174,129560,207946,379126,
%T A254223 471170,858104,1025788,1709908,2349342,3507974,4085852,6291688,
%U A254223 7972036,11313026,14262670,19396782,22025082,31062140,34653076,45272262,55014664
%N A254223 Number of length 6 1..(n+2) arrays with no leading or trailing partial sum equal to a prime and no consecutive values equal.
%C A254223 Row 6 of A254218
%H A254223 R. H. Hardin, <a href="/A254223/b254223.txt">Table of n, a(n) for n = 1..131</a>
%e A254223 Some solutions for n=4
%e A254223 ..4....1....4....1....6....6....6....6....6....1....1....4....4....6....6....4
%e A254223 ..5....3....6....5....2....4....3....4....2....5....3....6....2....2....3....2
%e A254223 ..1....6....5....6....6....6....5....6....4....4....4....4....6....6....1....3
%e A254223 ..6....2....1....4....4....5....4....4....2....2....2....6....4....1....4....6
%e A254223 ..2....6....2....2....6....3....2....2....4....6....5....5....6....3....6....5
%e A254223 ..6....4....6....4....4....6....4....4....6....4....1....1....4....6....4....4
%K A254223 nonn
%O A254223 1,2
%A A254223 _R. H. Hardin_, Jan 26 2015