cp's OEIS Frontend

A249294 Number of length 4+3 0..n arrays with no four consecutive terms having the sum of any three elements equal to three times the fourth.

%I A249294 #6 Apr 27 2023 14:56:59
%S A249294 88,1094,6960,40588,150112,469072,1263044,3011088,6514660,13131956,
%T A249294 24755440,44396112,76182120,125764540,200780652,311698092,471201156,
%U A249294 696406084,1008398272,1433424724,2003585272,2758886876,3745643452
%N A249294 Number of length 4+3 0..n arrays with no four consecutive terms having the sum of any three elements equal to three times the fourth.
%C A249294 Row 4 of A249290.
%H A249294 R. H. Hardin, <a href="/A249294/b249294.txt">Table of n, a(n) for n = 1..210</a>
%e A249294 Some solutions for n=5
%e A249294 ..3....3....3....0....1....1....3....4....3....4....4....1....0....4....0....3
%e A249294 ..5....1....2....3....0....0....0....2....5....4....4....1....1....1....1....4
%e A249294 ..3....5....4....2....5....4....4....1....5....1....2....3....3....0....3....0
%e A249294 ..5....5....5....1....4....0....4....0....1....1....1....1....3....5....2....0
%e A249294 ..3....1....1....5....5....3....1....0....2....5....5....2....4....0....5....3
%e A249294 ..5....5....4....1....5....3....0....1....3....4....4....1....1....2....4....4
%e A249294 ..0....2....5....5....1....4....0....4....1....5....1....2....3....3....3....0
%Y A249294 Cf. A249290.
%K A249294 nonn
%O A249294 1,1
%A A249294 _R. H. Hardin_, Oct 24 2014