1,1

Table of n, a(n) for n=1..15.

Index entries for sequences of the a(a(n)) = 2n family

a(9)=a(a(7))=2^7=128, a(16)=a(2^4)=a(a(a(4)))=a(a(256))=2^256>10^77

Cf. A038756, A038757.

Sequence in context: A094964 A197144 A138714 * A245171 A011230 A245168

Adjacent sequences: A038752 A038753 A038754 * A038756 A038757 A038758

nonn

Henry Bottomley, May 03 2000

approved