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A257059 Number of length n 1..(n+1) arrays with every leading partial sum divisible by 2 or 3 1

%I

%S 1,4,18,81,1024,7353,106056,1249592,22143847,282475249,8589934592,

%T 133642251792,3531308221901,71789886480657,2171807721018968,

%U 45949729863572161,2218611106740436992,53241469411989452625

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

%C Diagonal of A257062

%H R. H. Hardin, <a href="/A257059/b257059.txt">Table of n, a(n) for n = 1..93</a>

%e Some solutions for n=4

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

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

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

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

%Y Cf. A257062

%K nonn

%O 1,2

%A _R. H. Hardin_, Apr 15 2015

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Last modified January 27 04:57 EST 2020. Contains 331291 sequences. (Running on oeis4.)