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A254943 Number of length n 1..(4+1) arrays with every leading partial sum divisible by 2, 3, 5, 7 or 11 1

%I #4 Feb 10 2015 20:01:54

%S 4,20,94,382,1342,4389,14868,53277,192067,687805,2471382,8789391,

%T 30491148,104830637,369460303,1355591535,5095626584,19126876148,

%U 70732331394,257556440087,926451506264,3302456624059,11734430655646

%N Number of length n 1..(4+1) arrays with every leading partial sum divisible by 2, 3, 5, 7 or 11

%C Column 4 of A254947

%H R. H. Hardin, <a href="/A254943/b254943.txt">Table of n, a(n) for n = 1..210</a>

%e Some solutions for n=4

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

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

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

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

%K nonn

%O 1,1

%A _R. H. Hardin_, Feb 10 2015

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Last modified April 23 10:26 EDT 2024. Contains 371905 sequences. (Running on oeis4.)