Invitation: celebrating 50 years of OEIS, 250000 sequences, and Sloane's 75th, there will be a conference at DIMACS, Rutgers, Oct 9-10 2014.
1,1
Table of n, a(n) for n=1..34.
Index entries for sequences of the a(a(n)) = 2n family
a(7)=a(a(6))=3^6=729
Cf. A038755, A038757.
Sequence in context: A120725 A109607 A127612 * A011164 A082234 A168221
Adjacent sequences: A038753 A038754 A038755 * A038757 A038758 A038759
nonn
Henry Bottomley, May 03 2000
approved