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

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
..4....4....6....6....6....2....2....8....7....8....9....4....2....5....4....8
..2....6....6....4....1....8....8....2....4....7....5....4....2....5....7....1

Crossrefs

Cf. A258631

Sequence in context: A022708 A328816 A146211 * A195806 A081588 A276159

Adjacent sequences: A258633 A258634 A258635 * A258637 A258638 A258639

Keyword

nonn

Author

R. H. Hardin, Jun 06 2015

Status

approved