A258636 - OEIS

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A258636

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

16, 105, 331, 809, 2094, 4021, 8116, 14058, 25047, 35962, 60921, 82097, 125940, 177885, 254541, 320737, 462767, 566354, 770435, 986891, 1278221, 1512371, 1975937, 2434273, 3044409, 3681132, 4523992, 5167464, 6430586, 7262903, 8678872

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

OFFSET

1,1

COMMENTS

Row 5 of A258631

LINKS

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

EXAMPLE

Some solutions for n=8

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

..3....4....6....1....9....7....2....2....3....9....1....7....8....7....9....3

..8....2....6....6....3....8....1....1....5....6....1....7....6....4....3....7