A095804 Values of s in Wolfram's iteration for sqrt(2).

0, 4, 8, 20, 44, 88, 180, 360, 724, 1448, 2896, 5792, 11584, 23168, 46340, 92680, 185360, 370724, 741452, 1482908, 2965820, 5931640, 11863280, 23726564, 47453132, 94906264, 189812528, 379625060, 759250124, 1518500248

Offset

0,2

Comments

When interpreted as binary numbers, these successively approach sqrt(2).

Links

Table of n, a(n) for n=0..29.

Eric Weisstein's World of Mathematics, Wolfram's Iteration

Example

724 = 1011010100_2; sqrt(2) = 1.011010100..._2

Crossrefs

Cf. A095803.

Sequence in context: A047196 A009889 A334706 * A084219 A190589 A009916

Adjacent sequences: A095801 A095802 A095803 * A095805 A095806 A095807

Keyword

nonn

Author

Eric W. Weisstein, Jun 07 2004

Status

approved