A254943 Number of length n 1..(4+1) arrays with every leading partial sum divisible by 2, 3, 5, 7 or 11

4, 20, 94, 382, 1342, 4389, 14868, 53277, 192067, 687805, 2471382, 8789391, 30491148, 104830637, 369460303, 1355591535, 5095626584, 19126876148, 70732331394, 257556440087, 926451506264, 3302456624059, 11734430655646

Offset

1,1

Comments

Column 4 of A254947

Links

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

Example

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

Crossrefs

Sequence in context: A094971 A239650 A218837 * A099025 A008353 A250162

Adjacent sequences: A254940 A254941 A254942 * A254944 A254945 A254946

Keyword

nonn

Author

R. H. Hardin, Feb 10 2015

Status

approved