A104235 Numbers n such that A102370(n) = n.

0, 4, 8, 16, 20, 24, 32, 36, 40, 48, 52, 56, 64, 68, 72, 80, 84, 88, 96, 100, 104, 112, 116, 120, 128, 132, 136, 144, 148, 152, 160, 164, 168, 176, 180, 184, 192, 196, 200, 208, 212, 216, 224, 228, 232, 240, 244, 256, 260, 264, 272, 276, 280, 288, 292, 296, 304, 308, 312

Offset: 1

Author

N. J. A. Sloane, Apr 02 2005

Keywords

• nonn
• base

Comments

See A103543 and A103584 for much more about this sequence.

Indices of the 0 values in A103863.

Links

• Reinhard Zumkeller, Table of n, a(n) for n = 1..1000
• David Applegate, Benoit Cloitre, Philippe Deléham and N. J. A. Sloane, Sloping binary numbers: a new sequence related to the binary numbers [pdf, ps].
• David Applegate, Benoit Cloitre, Philippe Deléham and N. J. A. Sloane, Sloping binary numbers: a new sequence related to the binary numbers, J. Integer Seq. 8 (2005), no. 3, Article 05.3.6, 15 pp.

Crossrefs

Cf. A102370, A103543, A103584. Dividing by 4 gives A104401.

Cf. A105271, A214414.

Programs

Haskell

a104235 n = a104235_list !! (n-1)
a104235_list = [x | x <- [0..], a102370 x == toInteger x]
-- Reinhard Zumkeller, Jul 21 2012