A188916 - OEIS

%I #8 May 19 2015 17:14:10

%S 0,1,3,5,6,7,9,10,11,12,13,14,16,17,18,19,20,21,22,23,24,25,26,28,29,

%T 30,31,32,33,34,35,36,37,38,39,40,41,42,43,44,45,46,47,48,49,50,52,53,

%U 54,55,56,57,58,59,60,61,62,63,64,65,66,67,68,69,70,71,72,73,74,75,76,77,78,79,80,81,82,83,84,85,86,87,88,89,90,91,92,93,94,95,96,98,99,100

%N Where squares occur in the union of squares and powers of 2.

%C A188915(a(n)) = A000290(n); A188915(A188917(n)) = A000079(n).

%H Reinhard Zumkeller, <a href="/A188916/b188916.txt">Table of n, a(n) for n = 0..10000</a>

%o (Haskell)

%o a188916 n = a188916_list !! n

%o a188916_list = filter ((== 1) . a010052. a188915) [0..]

%o -- _Reinhard Zumkeller_, May 19 2015

%Y Cf. A000290, A010052.

%Y  Cf. A188915, A188917, A010052, A006127 (subsequence).

%K nonn

%O 0,3

%A _Reinhard Zumkeller_, Apr 14 2011