a(n)=n*(10^K) + a(n-1); a(0)=1; K=floor(log_10 a(n-1))+1.
A136307
a(n)=n*(10^K) + a(n-1); a(0)=1; K=floor(log_10 a(n-1))+1.
Terms
- a(0) =1a(1) =11a(2) =211a(3) =3211a(4) =43211a(5) =543211a(6) =6543211a(7) =76543211a(8) =876543211a(9) =9876543211a(10) =109876543211
External references
- oeis: A136307