Partial sums of repdigits of A002278.

A099671

Partial sums of repdigits of A002278.

Terms

    a(0) =4a(1) =48a(2) =492a(3) =4936a(4) =49380a(5) =493824a(6) =4938268a(7) =49382712a(8) =493827156a(9) =4938271600a(10) =49382716044a(11) =493827160488

External references