a(n) = minimal positive k such that the concatenation of decimal digits 1,2,...,n is a divisor of the concatenation of n+1,n+2,...,n+k.

A332867

a(n) = minimal positive k such that the concatenation of decimal digits 1,2,...,n is a divisor of the concatenation of n+1,n+2,...,n+k.

Terms

    a(0) =1a(1) =4a(2) =20a(3) =1834a(4) =14995a(5) =6986a(6) =2888370a(7) =795412a(8) =37366487a(9) =8803255100

External references