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 A254544 #6 Jul 23 2025 14:47:39 %S A254544 6,126,421,3001,5604,20393,45472,102595,161277,338402,489034,893944, %T A254544 1412682,2264545,3019845,4792281,6143391,9149646,12553350,17386054, %U A254544 21421963,30096986,38927373,51682575,65462507,84502439,100115923 %N A254544 Number of length 6 1..(n+2) arrays with no leading partial sum equal to a prime. %C A254544 Row 6 of A254539 %H A254544 R. H. Hardin, <a href="/A254544/b254544.txt">Table of n, a(n) for n = 1..210</a> %e A254544 Some solutions for n=4 %e A254544 ..6....6....4....4....1....1....4....1....4....6....4....1....1....6....1....6 %e A254544 ..2....2....6....4....5....5....6....3....5....3....6....5....5....4....5....3 %e A254544 ..4....2....4....6....4....2....4....4....3....3....4....3....2....5....3....3 %e A254544 ..4....4....4....1....6....6....6....2....2....6....1....5....6....1....6....3 %e A254544 ..4....6....6....5....6....6....5....2....2....4....1....4....1....4....3....1 %e A254544 ..2....6....3....6....6....4....5....3....2....3....2....4....6....6....4....4 %K A254544 nonn %O A254544 1,1 %A A254544 _R. H. Hardin_, Feb 01 2015