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 A188915 Union of squares and powers of 2. 5
 0, 1, 2, 4, 8, 9, 16, 25, 32, 36, 49, 64, 81, 100, 121, 128, 144, 169, 196, 225, 256, 289, 324, 361, 400, 441, 484, 512, 529, 576, 625, 676, 729, 784, 841, 900, 961, 1024, 1089, 1156, 1225, 1296, 1369, 1444, 1521, 1600, 1681, 1764, 1849, 1936, 2025, 2048, 2116, 2209, 2304, 2401, 2500, 2601, 2704, 2809, 2916 (list; graph; refs; listen; history; text; internal format)
 OFFSET 0,3 COMMENTS Union of A000290 and A000079; A188916 and A188917 give positions where squares and powers of 2 occur: n^2: a(A188916(n)) = A000290(n); 2^n: a(A188917(n)) = A000079(n); 4^n: a(A006127(n)) = A000302(n), A006127 is the intersection of A188916 and A188917. A010052(a(n)) + A209229(a(n)) > 0. - Reinhard Zumkeller, May 19 2015 LINKS Reinhard Zumkeller, Table of n, a(n) for n = 0..10000 PROG (Haskell) import Data.List.Ordered (union) a188915 n = a188915_list !! n a188915_list = union a000290_list a000079_list Reinhard Zumkeller, May 19 2015, Apr 14 2011 CROSSREFS Cf. A000290, A000079, A010052, A209229, A006127, A188916, A188917. Sequence in context: A049439 A251642 A079931 * A055008 A204826 A241010 Adjacent sequences:  A188912 A188913 A188914 * A188916 A188917 A188918 KEYWORD nonn AUTHOR Reinhard Zumkeller, Apr 14 2011 STATUS approved

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Last modified April 22 22:19 EDT 2021. Contains 343197 sequences. (Running on oeis4.)