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A258635 Number of length 4 1..(n+1) arrays with every leading partial sum divisible by 2, 3, 5 or 7 1

%I #4 Jun 06 2015 08:43:49

%S 8,50,130,264,511,830,1408,2150,3370,4440,6789,8523,12040,15918,21093,

%T 25067,33736,39265,50407,61663,75967,86154,106965,126656,151573,

%U 176764,208836,230806,275399,301753,349082,397630,454178,512455,587697,633984

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

%C Row 4 of A258631

%H R. H. Hardin, <a href="/A258635/b258635.txt">Table of n, a(n) for n = 1..210</a>

%e Some solutions for n=8

%e ..4....9....4....7....9....8....5....6....4....3....6....4....6....6....6....5

%e ..4....9....5....9....6....7....1....1....3....2....3....3....3....9....1....1

%e ..1....6....1....9....3....5....8....8....9....5....9....7....1....6....9....6

%e ..3....8....2....3....9....6....2....3....9....8....4....2....6....3....2....9

%Y Cf. A258631

%K nonn

%O 1,1

%A _R. H. Hardin_, Jun 06 2015

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Last modified April 23 16:40 EDT 2024. Contains 371916 sequences. (Running on oeis4.)