Concatenate the decimal numbers 1,2,3,...,n, then add 1.

A359124

Concatenate the decimal numbers 1,2,3,...,n, then add 1.

Terms

    a(0) =2a(1) =13a(2) =124a(3) =1235a(4) =12346a(5) =123457a(6) =1234568a(7) =12345679a(8) =123456790a(9) =12345678911

External references