1,1

J.-M. De Koninck, Ces nombres qui nous fascinent, Footnote pp 18, Ellipses, Paris 2008.

Amiram Eldar, Table of n, a(n) for n = 1..629

Cf. A000225, A005117.

Sequence in context: A276878 A047247 A169606 * A032877 A032844 A023775

Adjacent sequences: A140766 A140767 A140768 * A140770 A140771 A140772

nonn

Lekraj Beedassy, Jul 13 2008

approved