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A255720 Number of length 5 1..(n+2) arrays with no leading partial sum equal to a prime and no consecutive values equal 1

%I #4 Mar 03 2015 12:22:25

%S 1,8,47,261,480,1707,3764,8072,12646,24669,34201,58940,89397,135543,

%T 174896,264549,327946,465565,617508,818021,977617,1318930,1657755,

%U 2121986,2611024,3251371,3748275,4735382,5375729,6512710,7733039,9256904

%N Number of length 5 1..(n+2) arrays with no leading partial sum equal to a prime and no consecutive values equal

%C Row 5 of A255716

%H R. H. Hardin, <a href="/A255720/b255720.txt">Table of n, a(n) for n = 1..210</a>

%e Some solutions for n=4

%e ..6....4....6....1....4....1....6....6....6....6....4....4....1....1....6....4

%e ..4....2....2....3....5....3....3....3....4....3....6....2....5....5....4....5

%e ..5....3....1....4....6....4....6....5....2....1....5....3....6....4....5....6

%e ..3....5....5....2....3....6....3....4....6....2....6....1....3....5....6....5

%e ..6....4....4....4....2....2....2....2....3....6....3....2....5....6....5....2

%Y Cf. A255716

%K nonn

%O 1,2

%A _R. H. Hardin_, Mar 03 2015

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Last modified April 26 12:09 EDT 2024. Contains 371997 sequences. (Running on oeis4.)