%I #5 Jun 06 2015 08:35:28
%S 1,6,45,264,2094,20462,290231,4010997,78604973,1349514483,35927257375,
%T 779039452374,22813001639693,625228016584233,20522243952244064,
%U 592853223364296015,23932818802986466719,759286889246491909554
%N Number of length n 1..(n+1) arrays with every leading partial sum divisible by 2, 3, 5 or 7
%C Diagonal of A258631
%H R. H. Hardin, <a href="/A258623/b258623.txt">Table of n, a(n) for n = 1..87</a>
%e Some solutions for n=8
%e ..2....2....2....2....2....2....2....2....2....2....2....2....2....2....2....2
%e ..1....1....1....1....1....1....1....1....1....1....1....1....2....1....2....1
%e ..9....4....2....2....1....9....3....3....6....1....3....3....1....1....1....1
%e ..3....9....9....4....3....6....8....4....7....1....2....9....3....5....9....1
%e ..5....8....2....3....8....6....1....4....8....9....8....1....7....1....6....3
%e ..7....4....8....3....9....4....6....7....9....6....4....5....1....6....7....2
%e ..1....7....3....3....1....8....3....6....5....2....1....5....5....8....3....5
%e ..4....9....6....4....8....6....9....9....2....4....9....1....3....1....2....9
%Y Cf. A258631
%K nonn
%O 1,2
%A _R. H. Hardin_, Jun 06 2015
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