%I A007897
%S A007897 1,1,2,2,3,2,4,4,4,3,6,4,7,4,6,6,9,4,10,6,8,6,12,8,11,7,10,8,15,6,16,10,
%T A007897 12,9,12,8,19,10,14,12,21,8,22,12,12,12,24,12,22,11,18,14,27,10,18,16,
               20,
%U A007897 15,30,12,31,16,16,18,21,12,34,18,24,12,36,16,37,19,22,20,24,14,40,18,
               28
%N A007897 phi(n), where phi(n) is multiplicative with phi(2) = 1; phi(4) = 2; phi(2^a) 
               = 2^(a-2)+2 if a>2; phi(p^a) = (p-1)*p^(a-1)/2 if prime p>2 and a>
               0.
%D A007897 Felix Weinstein, The Fibonacci Partitions, preprint, 1995.
%H A007897 F. V. Weinstein, <a href="http://arXiv.org/abs/math.NT/0307150">Notes 
               on Fibonacci partitions</a>
%Y A007897 Sequence in context: A164341 A124771 A066589 this_sequence A106289 A165418 
               A048620
%Y A007897 Adjacent sequences: A007894 A007895 A007896 this_sequence A007898 A007899 
               A007900
%K A007897 nonn,mult
%O A007897 1,3
%A A007897 Felix Weinstein [ wain(AT)ana.unibe.ch ]