|
|
A258628
|
|
Number of length n 1..(5+1) arrays with every leading partial sum divisible by 2, 3, 5 or 7
|
|
1
|
|
|
5, 28, 125, 511, 2094, 9099, 40789, 182685, 818100, 3633049, 15953405, 70733998, 322727518, 1503364221, 6999445956, 32165622185, 145740232841, 653796230890, 2924195396658, 13163600932253, 60217177382329, 281484384355033
(list;
graph;
refs;
listen;
history;
text;
internal format)
|
|
|
OFFSET
|
1,1
|
|
COMMENTS
|
|
|
LINKS
|
|
|
EXAMPLE
|
Some solutions for n=8
..2....4....5....2....5....5....2....2....2....5....4....5....4....4....2....5
..2....3....1....5....4....2....1....3....1....1....6....1....2....4....4....1
..1....3....4....1....3....5....4....1....6....2....6....2....6....6....4....4
..5....6....6....6....3....2....5....6....3....4....5....6....4....1....5....4
..5....6....4....6....3....1....3....6....6....2....6....6....4....1....6....6
..5....3....2....2....2....6....3....4....6....4....5....6....1....4....3....2
..6....2....5....2....4....4....2....2....2....4....2....6....1....6....4....6
..2....3....6....4....2....3....6....3....1....4....6....3....5....6....2....4
|
|
CROSSREFS
|
|
|
KEYWORD
|
nonn
|
|
AUTHOR
|
|
|
STATUS
|
approved
|
|
|
|