A254942 Number of length n 1..(3+1) arrays with every leading partial sum divisible by 2, 3, 5, 7 or 11.

3, 12, 48, 173, 548, 1551, 4076, 10963, 31852, 94440, 270418, 762863, 2194247, 6360016, 18025360, 49901445, 139143011, 403068915, 1215708705, 3727871268, 11315711755, 33574977278, 97710812122, 281692493898, 808949419962

Offset

1,1

Comments

Column 3 of A254947.

Links

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

Example

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

Crossrefs

Cf. A254947.

Sequence in context: A151167 A064562 A259865 * A077828 A002001 A164346

Adjacent sequences: A254939 A254940 A254941 * A254943 A254944 A254945

Keyword

nonn

Author

R. H. Hardin, Feb 10 2015

Status

approved