A254954 Number of length 7 1..(n+1) arrays with every leading partial sum divisible by 2, 3, 5, 7 or 11

58, 705, 4076, 14868, 59419, 151481, 377767, 793220, 1707964, 3142469, 6201696, 9724390, 17233717, 27314487, 44233866, 62174864, 100064923, 135690323, 204112118, 285725655, 407405949, 524985291, 753356770, 1000446782, 1354556806

Offset

1,1

Comments

Row 7 of A254947

Links

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

Example

Some solutions for n=4
..2....2....3....2....4....4....2....3....3....4....4....5....3....3....3....4
..3....3....5....1....3....1....4....5....1....3....3....2....4....2....4....5
..3....2....3....1....2....5....5....3....2....5....5....2....3....3....5....2
..4....2....5....5....1....1....5....3....2....3....2....2....4....2....3....1
..4....2....4....5....4....3....2....2....4....3....1....4....1....5....5....3
..4....4....1....4....1....4....3....5....4....2....3....1....5....5....1....3
..5....5....3....3....5....2....1....4....2....1....2....2....1....1....3....4

Crossrefs

Sequence in context: A232378 A246894 A204470 * A172215 A305263 A157252

Adjacent sequences: A254951 A254952 A254953 * A254955 A254956 A254957

Keyword

nonn

Author

R. H. Hardin, Feb 10 2015

Status

approved