|
%I #5 Nov 14 2016 22:19:35
%S 1,2,3,3,4,5,5,5,6,6,8,8,8,8,8,8,9,9,9,9,12,12,12,12,12,13,13,13,13,
%T 13,13,13,14,14,14,14,14,14,14,14,18,18,18,18,18,18,18,18,18,18,21,21,
%U 21,21,21,21,21,21,21,21,21,21,21,21,22,22,22,22,22,22,22,22,22,22,22,22
%N a(0) = 1, a(n) = a([n/2]) + a([n/5]) for n > 1.
%C For n>0: A165707(n)=a(A003592(n)) and A165707(m)<a(m) for m < A003592(n).
%H R. Zumkeller, <a href="/A165706/b165706.txt">Table of n, a(n) for n = 0..10000</a>
%o (PARI) a(n)=if(n<3, return(n+1)); a(n\2) + a(n\5) \\ _Charles R Greathouse IV_, Nov 14 2016
%Y Cf. A007731, A083662, A088468, A165704.
%K nonn
%O 0,2
%A _Reinhard Zumkeller_, Sep 26 2009
|
