cp's OEIS Frontend

A255721 Number of length 6 1..(n+2) arrays with no leading partial sum equal to a prime and no consecutive values equal.

%I A255721 #6 Jul 23 2025 15:11:03
%S A255721 1,14,102,936,2079,8814,22155,53090,91493,200228,304017,575082,941185,
%T A255721 1542708,2114901,3423009,4480459,6771099,9448995,13219018,16542150,
%U A255721 23499170,30786120,41197560,52676852,68426580,81835570,108246990
%N A255721 Number of length 6 1..(n+2) arrays with no leading partial sum equal to a prime and no consecutive values equal.
%C A255721 Row 6 of A255716
%H A255721 R. H. Hardin, <a href="/A255721/b255721.txt">Table of n, a(n) for n = 1..210</a>
%e A255721 Some solutions for n=4
%e A255721 ..1....6....1....4....6....4....1....1....4....4....6....4....1....1....1....4
%e A255721 ..5....4....5....5....2....5....3....3....6....6....2....6....5....5....5....6
%e A255721 ..6....6....3....1....6....3....6....4....5....2....6....5....6....2....3....4
%e A255721 ..3....4....5....2....4....4....2....6....3....3....4....6....3....6....1....1
%e A255721 ..5....1....4....3....6....5....6....4....2....1....6....5....1....4....6....3
%e A255721 ..2....3....6....1....4....4....4....2....4....2....2....6....2....6....2....2
%Y A255721 Cf. A255716
%K A255721 nonn
%O A255721 1,2
%A A255721 _R. H. Hardin_, Mar 03 2015