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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 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

COMMENTS

A209229(A051145(a(n))) = 1;

the definition of this sequence was the original definition of A051147.

LINKS

Table of n, a(n) for n=1..33.

PROG

(Haskell)

import Data.List (findIndices)

a244747 n = a244747_list !! (n-1)

a244747_list = findIndices ((== 1) . a209229) a051145_list

CROSSREFS

Cf. A209229, A051147 (subsequence).

Sequence in context: A292444 A035948 A258939 * A241742 A212584 A166048

Adjacent sequences:  A244744 A244745 A244746 * A244748 A244749 A244750

KEYWORD

nonn

AUTHOR

Reinhard Zumkeller, Jul 05 2014

STATUS

approved

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Last modified May 26 19:44 EDT 2019. Contains 323597 sequences. (Running on oeis4.)