A227838 2^a(n) is the highest power of 2 dividing A005132(n).

0, 0, 1, 1, 0, 0, 2, 2, 0, 0, 1, 1, 0, 0, 3, 3, 0, 0, 1, 1, 0, 0, 1, 1, 0, 0, 4, 2, 0, 0, 1, 1, 0, 0, 1, 1, 0, 0, 1, 1, 0, 0, 4, 2, 0, 0, 1, 1, 0, 0, 2, 5, 0, 0, 1, 1, 0, 0, 3, 2, 0, 0, 1, 1, 0, 0, 5, 2, 0, 0, 1, 1, 0, 0, 2, 3, 0, 0, 1, 1, 0, 0, 3, 2, 0, 0, 1, 1, 0, 0, 2, 5, 0, 0, 1, 1, 0, 0, 6, 2, 0, 0, 3, 4, 0, 0, 1, 1, 0

Offset

1,7

Comments

The 2-adic valuation of Recamán's sequence A005132.

Links

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

Index entries for sequences related to Recamán's sequence

Prog

(Haskell)
a227838 = a007814 . a005132  -- Reinhard Zumkeller, Aug 05 2013

Crossrefs

Cf. A005132, A227839, A007814.

Sequence in context: A298146 A295520 A295335 * A050605 A060571 A131555

Adjacent sequences: A227835 A227836 A227837 * A227839 A227840 A227841

Keyword

nonn

Author

N. J. A. Sloane, Aug 04 2013

Status

approved