This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.
%I A249536 #6 Jul 23 2025 12:04:42 %S A249536 1824,74886,1804128,22639594,174242716,1025679026,4684420552, %T A249536 17916918418,59341554984,175255762716,470271928286,1166229218572, %U A249536 2699798974722,5891318819572,12213464740306,24208549560334,46114253719198 %N A249536 Number of length 6+5 0..n arrays with no six consecutive terms having five times any element equal to the sum of the remaining five. %C A249536 Row 6 of A249530 %H A249536 R. H. Hardin, <a href="/A249536/b249536.txt">Table of n, a(n) for n = 1..28</a> %e A249536 Some solutions for n=2 %e A249536 ..2....1....0....2....0....1....0....1....2....0....0....2....0....1....1....2 %e A249536 ..1....0....0....0....1....1....0....2....0....2....2....2....0....2....0....1 %e A249536 ..2....2....0....2....1....1....2....0....2....0....0....2....0....0....2....1 %e A249536 ..1....0....1....1....0....2....2....0....0....0....2....2....1....0....2....1 %e A249536 ..2....1....0....2....0....0....2....0....2....1....0....0....1....2....2....0 %e A249536 ..1....0....0....2....0....2....2....1....1....1....2....0....0....2....0....0 %e A249536 ..1....0....1....0....1....2....2....1....0....0....2....2....0....0....0....1 %e A249536 ..0....1....1....0....1....1....0....0....0....1....2....1....0....0....0....1 %e A249536 ..0....1....2....0....1....2....2....1....0....2....2....0....1....0....2....0 %e A249536 ..1....0....1....2....0....2....2....0....0....0....0....0....0....2....2....1 %e A249536 ..2....2....2....1....2....0....2....1....1....1....1....0....1....0....0....2 %K A249536 nonn %O A249536 1,1 %A A249536 _R. H. Hardin_, Oct 31 2014