Number of length n 1..(n+1) arrays with every leading partial sum divisible by 2, 3, 5 or 7.
A258623
Number of length n 1..(n+1) arrays with every leading partial sum divisible by 2, 3, 5 or 7.
Terms
- a(0) =1a(1) =6a(2) =45a(3) =264a(4) =2094a(5) =20462a(6) =290231a(7) =4010997a(8) =78604973a(9) =1349514483a(10) =35927257375a(11) =779039452374
External references
- oeis: A258623