A258635 - OEIS

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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

8, 50, 130, 264, 511, 830, 1408, 2150, 3370, 4440, 6789, 8523, 12040, 15918, 21093, 25067, 33736, 39265, 50407, 61663, 75967, 86154, 106965, 126656, 151573, 176764, 208836, 230806, 275399, 301753, 349082, 397630, 454178, 512455, 587697, 633984

(list; graph; refs; listen; history; text; internal format)

OFFSET

1,1

COMMENTS

Row 4 of A258631

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..210

EXAMPLE

Some solutions for n=8

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

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

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