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A244747
Positions at which powers of 2 occur in A051145.
3
1, 2, 3, 5, 6, 9, 12, 17, 29, 45, 48, 81, 105, 108, 177, 245, 323, 324, 569, 648, 893, 1277, 1296, 2121, 2592, 3221, 4853, 5184, 7697, 11015, 15333, 15552, 25841, 31104, 40157, 59213, 84239, 93312, 135107, 184679, 265277, 279936, 445029, 606509, 830411, 839808
OFFSET
1,2
COMMENTS
A209229(A051145(a(n))) = 1;
the definition of this sequence was the original definition of A051147.
PROG
(Haskell)
import Data.List (findIndices)
a244747 n = a244747_list !! (n-1)
a244747_list = findIndices ((== 1) . a209229) a051145_list
(C++)
See Links section.
CROSSREFS
Cf. A209229, A051147 (subsequence).
Sequence in context: A292444 A035948 A258939 * A241742 A212584 A330228
KEYWORD
nonn
AUTHOR
Reinhard Zumkeller, Jul 05 2014
EXTENSIONS
More terms from Rémy Sigrist, Oct 09 2022
STATUS
approved