cp's OEIS Frontend

A276147 a(2n+1) = 2n+1, a(2n) = A053669(2n) * a(A111701(2n)).

%I A276147 #8 Aug 23 2016 22:14:22
%S A276147 1,3,3,9,5,5,7,27,9,15,11,15,13,21,15,81,17,15,19,45,21,33,23,45,25,
%T A276147 39,27,63,29,7,31,243,33,51,35,25,37,57,39,135,41,35,43,99,45,69,47,
%U A276147 135,49,75,51,117,53,45,55,189,57,87,59,21,61,93,63,729,65,55,67,153,69,105,71,75,73,111,75,171,77,65,79,405,81,123,83,105,85,129
%N A276147 a(2n+1) = 2n+1, a(2n) = A053669(2n) * a(A111701(2n)).
%H A276147 Antti Karttunen, <a href="/A276147/b276147.txt">Table of n, a(n) for n = 1..2310</a>
%F A276147 If n is odd, a(n) = n, and when even, a(n) = A053669(n) * a(A111701(n)).
%F A276147 Other identities. For all n >= 0:
%F A276147 a(2^n) = 3^n.
%o A276147 (Scheme)
%o A276147 (definec (A276147 n) (if (odd? n) n (* (A053669 n) (A276147 (A111701 n)))))
%Y A276147 Cf. A053669, A111701.
%Y A276147 Cf. A276148 (the even bisection).
%Y A276147 Cf. also A276086.
%K A276147 nonn
%O A276147 1,2
%A A276147 _Antti Karttunen_, Aug 23 2016