A254833 - OEIS

%I #4 Feb 08 2015 10:33:06

%S 9,80,496,1557,6898,13504,34624,70093,148847,228892,445746,634828,

%T 1050561,1577663,2454082,3224498,5045974,6413426,9283270,12331470,

%U 16833674,20503929,28478040,35893071,46651077,57687196,73435900,85766121

%N Number of length 6 1..(n+1) arrays with every leading partial sum divisible by 2, 3 or 5

%C Row 6 of A254827

%H R. H. Hardin, <a href="/A254833/b254833.txt">Table of n, a(n) for n = 1..210</a>

%e Some solutions for n=4

%e ..4....5....4....4....2....4....3....2....5....3....4....2....2....4....2....2

%e ..4....1....1....5....3....1....3....4....3....3....5....2....4....2....1....1

%e ..4....2....4....1....1....4....2....3....2....3....3....1....3....3....1....2

%e ..2....1....5....5....2....5....2....1....4....1....2....3....1....5....2....4

%e ..2....3....4....3....2....1....2....4....4....4....2....1....5....2....4....5

%e ..2....3....3....2....2....1....4....2....3....1....5....1....1....2....2....2

%K nonn

%O 1,1

%A _R. H. Hardin_, Feb 08 2015