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A038756 Earliest sequence where a(a(n))=3^n. 2

%I

%S 2,3,9,5,81,7,729,10,27,6561,12,177147,14,1594323,16,14348907,18,

%T 129140163,20,1162261467,22,10460353203,24,94143178827,26,

%U 847288609443,19683,29,22876792454961,31,205891132094649,33,1853020188851841,35

%N Earliest sequence where a(a(n))=3^n.

%H <a href="/index/Aa#aan">Index entries for sequences of the a(a(n)) = 2n family</a>

%e a(7)=a(a(6))=3^6=729

%Y Cf. A038755, A038757.

%K nonn

%O 1,1

%A _Henry Bottomley_, May 03 2000

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Last modified August 20 07:48 EDT 2019. Contains 326143 sequences. (Running on oeis4.)