cp's OEIS Frontend

A249468 Number of length 2+4 0..n arrays with no five consecutive terms having four times any element equal to the sum of the remaining four.

%I A249468 #6 Jul 23 2025 12:01:35
%S A249468 58,464,2948,11260,35322,91160,207760,429364,821614,1475648,2518348,
%T A249468 4114408,6479030,9883248,14668588,21247164,30124654,41900528,57290148,
%U A249468 77134712,102409834,134241312,173931480,222958784,283011294,355982968
%N A249468 Number of length 2+4 0..n arrays with no five consecutive terms having four times any element equal to the sum of the remaining four.
%C A249468 Row 2 of A249466
%H A249468 R. H. Hardin, <a href="/A249468/b249468.txt">Table of n, a(n) for n = 1..108</a>
%e A249468 Some solutions for n=6
%e A249468 ..5....1....4....5....4....3....6....6....5....1....5....1....0....2....2....3
%e A249468 ..3....4....1....5....0....3....1....4....4....2....1....2....3....0....6....2
%e A249468 ..1....1....1....1....2....3....3....4....3....2....6....3....3....3....3....2
%e A249468 ..5....0....1....1....4....1....3....5....5....6....6....0....3....2....4....2
%e A249468 ..6....6....6....4....2....1....5....5....4....2....5....0....3....0....6....5
%e A249468 ..3....3....5....4....3....6....2....4....0....4....1....3....0....3....3....3
%K A249468 nonn
%O A249468 1,1
%A A249468 _R. H. Hardin_, Oct 29 2014