a(n) = Sum_{k=0..n} (-1)^A010060(n-k)*[(n+1) mod (k+1) = 0]*10^k, where [] denotes the Iverson bracket.
A101564
a(n) = Sum_{k=0..n} (-1)^A010060(n-k)*[(n+1) mod (k+1) = 0]*10^k, where [] denotes the Iverson bracket.
Terms
- a(0) =1a(1) =9a(2) =99a(3) =991a(4) =9999a(5) =100091a(6) =1000001a(7) =9999009a(8) =100000099a(9) =1000009991a(10) =10000000001a(11) =100000099109
External references
- oeis: A101564