8,1

It is conjectured that an integer is always reached if the initial value is >= 2.

J. C. Lagarias and N. J. A. Sloane, Approximate squaring (pdf, ps), Experimental Math., 13 (2004), 113-128.

Cf. A087664 (steps to reach an integer), A087667, A087668.

Adjacent sequences: A087662 A087663 A087664 this_sequence A087666 A087667 A087668

Sequence in context: A077452 A113918 A094048 this_sequence A093481 A132629 A083502

nonn

njas, Sep 27 2003

The next term is too large to include.