Number of length n 1..(5+1) arrays with every leading partial sum divisible by 2, 3 or 5.
A254824
Number of length n 1..(5+1) arrays with every leading partial sum divisible by 2, 3 or 5.
Terms
- a(0) =5a(1) =23a(2) =95a(3) =381a(4) =1569a(5) =6898a(6) =31005a(7) =138809a(8) =621384a(9) =2737649a(10) =11693062a(11) =48939262a(12) =206093655a(13) =888369973a(14) =3911583617a(15) =17393709148a(16) =77155024993a(17) =337898306476
External references
- oeis: A254824