blankety-blank

“And starting with a couple of sentences you can leap your way to those blankety-blank numbers or even to the Bonacci numbers?”

He computed himself half to death with his giant computer—he was much, much more precise than we were with our blankety-blank 1.618 • • • —until he was absolutely positive that the formula would work forever.

“And that blankety-blank unreasonable number keeps turning up?”

“Then let’s go back to your notebook and enter the ‘blankety-blank’ number.

What was that blankety-blank number all about, that one point six...?