Number of length n 1..(7+1) arrays with every leading partial sum divisible by 2, 3, 5 or 7.
A258630
Number of length n 1..(7+1) arrays with every leading partial sum divisible by 2, 3, 5 or 7.
Terms
- a(0) =7a(1) =46a(2) =257a(3) =1408a(4) =8116a(5) =48479a(6) =290231a(7) =1702510a(8) =9898375a(9) =58647747a(10) =356650813a(11) =2191890734a(12) =13394053841a(13) =80981875492a(14) =487503501433
External references
- oeis: A258630