1,1

Table of n, a(n) for n=1..83.

Dario Alpern, Factorization using the Elliptic Curve Method.

a(n)=A098146(n)-10^n.

a(2)=11: The first odd semiprime following 10^2 is 111=3*37; 111-100=11.

Cf. A098146, A033873 difference between first prime > 10^n and 10^n.

Sequence in context: A159199 A125683 A125685 * A100298 A066461 A117069

Adjacent sequences: A098144 A098145 A098146 * A098148 A098149 A098150

nonn

Hugo Pfoertner, Aug 28 2004

approved