Revision 11791901 of "Anti-Fibonacci number" on enwiki

The '''anti-Fibonacci numbers''' compose a sequence based on the [[Fibonacci sequence]].  It satisfies the following recursion:

:<math>f(k+2) = f(k) - f(k+1)\,</math>

And it usually starts with 1, 0 and goes like this:

:<math>1,0,1,-1,2,-3,5,-8, \dots\,</math>

[[Category:Integer sequences]]