Number of length n 1..(5+1) arrays with every leading partial sum divisible by 2, 3, 5 or 7.
A258628
Number of length n 1..(5+1) arrays with every leading partial sum divisible by 2, 3, 5 or 7.
Terms
- a(0) =5a(1) =28a(2) =125a(3) =511a(4) =2094a(5) =9099a(6) =40789a(7) =182685a(8) =818100a(9) =3633049a(10) =15953405a(11) =70733998a(12) =322727518a(13) =1503364221a(14) =6999445956a(15) =32165622185a(16) =145740232841a(17) =653796230890
External references
- oeis: A258628