The sum of the first n terms of the sequence is the concatenation of the first n digits of the sequence, a(1) = 3.

A299866

The sum of the first n terms of the sequence is the concatenation of the first n digits of the sequence, a(1) = 3.

Terms

    a(0) =3a(1) =30a(2) =297a(3) =2972a(4) =29727a(5) =297268a(6) =2972675a(7) =29726757a(8) =297267568a(9) =2972675675a(10) =29726756750a(11) =297267567507

External references