0,1

a(n)=A005117(10^n) with offset 0.

J.-M. De Koninck, Ces nombres qui nous fascinent, Entry 165, pp 53, Ellipses, Paris 2008.

Cf. A005117.

Sequence in context: A002103 A124548 A139085 this_sequence A153852 A117667 A036080

Adjacent sequences: A140806 A140807 A140808 this_sequence A140810 A140811 A140812

more,nonn

Lekraj Beedassy (blekraj(AT)yahoo.com), Jul 15 2008