A214489 Numbers m such that A070939(m) = A070939(m + A070939(m)), A070939 = length of binary representation.

0, 4, 8, 9, 10, 11, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 64, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, 77, 78, 79, 80, 81, 82, 83, 84, 85, 86

Offset

1,2

Comments

A070939(a(n))=A103586(a(n)) and also A105025(a(n))=A105029(a(n)).

Links

Reinhard Zumkeller, Table of n, a(n) for n = 1..10000

David Applegate, Benoit Cloitre, Philippe Deléham and N. J. A. Sloane, Sloping binary numbers: a new sequence related to the binary numbers [pdf, ps].

Index entries for sequences related to binary expansion of n

Prog

(Haskell)
a214489 n = a214489_list !! (n-1)
a214489_list = [x | x <- [0..], a070939 x == a103586 x]
-- .

Crossrefs

Sequence in context: A312828 A267647 A362453 * A189207 A127162 A096529

Adjacent sequences: A214486 A214487 A214488 * A214490 A214491 A214492

Keyword

nonn

Author

Reinhard Zumkeller, Jul 21 2012

Status

approved