1,1

J.-M. De Koninck, Ces nombres qui nous fascinent, Entry 213, pp 62, Ellipses, Paris 2008.

a(n)=A086706(10^n).

Cf. A005349, A086706.

Sequence in context: A094170 A004638 A020479 this_sequence A045087 A119086 A002601

Adjacent sequences: A140863 A140864 A140865 this_sequence A140867 A140868 A140869

more,nonn

Lekraj Beedassy (blekraj(AT)yahoo.com), Jul 20 2008