login

Year-end appeal: Please make a donation to the OEIS Foundation to support ongoing development and maintenance of the OEIS. We are now in our 61st year, we have over 378,000 sequences, and we’ve reached 11,000 citations (which often say “discovered thanks to the OEIS”).

A258629
Number of length n 1..(6+1) arrays with every leading partial sum divisible by 2, 3, 5 or 7
1
6, 36, 179, 830, 4021, 20462, 105719, 546640, 2789557, 14124297, 72747664, 384855118, 2060047003, 10964114671, 57622430383, 299660342435, 1554362454308, 8134330914022, 43385023307315, 236387936969270, 1304057368544653
OFFSET
1,1
COMMENTS
Column 6 of A258631
LINKS
EXAMPLE
Some solutions for n=8
..2....2....2....2....2....2....2....2....2....2....2....2....2....2....2....2
..3....1....5....2....3....5....1....2....2....6....4....4....2....4....6....6
..2....7....2....5....1....3....7....1....1....2....1....2....1....4....2....4
..2....5....3....3....1....2....4....7....3....4....1....6....2....2....2....2
..7....1....2....3....3....6....2....6....7....7....6....1....1....2....4....1
..4....6....1....3....4....2....5....6....5....5....1....3....6....7....2....5
..2....3....5....6....1....5....6....2....7....2....5....7....2....5....4....6
..5....3....2....2....1....7....6....2....3....4....6....7....2....2....6....2
CROSSREFS
Sequence in context: A224130 A283197 A218265 * A294465 A074444 A348568
KEYWORD
nonn
AUTHOR
R. H. Hardin, Jun 06 2015
STATUS
approved