cp's OEIS Frontend

A249210 Number of length n+6 0..6 arrays with no seven consecutive terms having five times the sum of any two elements equal to two times the sum of the remaining five.

%I A249210 #6 Jul 23 2025 11:54:40
%S A249210 714980,4353482,26526142,161678612,985612414,6008974124,36636435714,
%T A249210 223372525098,1361915986824,8303744023910,50629052901620,
%U A249210 308693301728988,1882156100884578,11475844721645888,69970325219439164,426622040648813418
%N A249210 Number of length n+6 0..6 arrays with no seven consecutive terms having five times the sum of any two elements equal to two times the sum of the remaining five.
%C A249210 Column 6 of A249212
%H A249210 R. H. Hardin, <a href="/A249210/b249210.txt">Table of n, a(n) for n = 1..210</a>
%e A249210 Some solutions for n=1
%e A249210 ..0....0....0....0....0....0....0....0....0....0....0....0....0....0....0....0
%e A249210 ..6....3....3....4....2....5....2....0....4....6....3....0....1....1....3....1
%e A249210 ..3....3....2....1....5....2....3....6....4....3....6....0....6....4....1....3
%e A249210 ..4....4....4....4....5....5....2....0....4....3....5....3....0....6....3....4
%e A249210 ..4....4....4....3....2....5....6....2....0....1....2....4....0....1....6....1
%e A249210 ..6....0....3....6....0....1....4....1....4....6....0....5....1....0....2....0
%e A249210 ..0....4....4....6....3....2....0....6....5....3....6....5....0....4....4....0
%K A249210 nonn
%O A249210 1,1
%A A249210 _R. H. Hardin_, Oct 23 2014