Spiro-Fibonacci differences

[Franklin T. Adams-Watters]

Note that these "Spiro-Fibonacci differences" are just the parity of the Spiro-Fibonacci sequence.

Neil Fernandez <primeness at borve.demon.co.uk> wrote:
>Spiro-Fibonacci differences.
>
>Write terms in square boxes, working in a spiral, cf. Ulam prime spiral,
>such that a(n) = difference of the two previous terms written closest to
>the box for a(n). a(0)=0 and a(1)=1. (I follow the Fibonacci convention
>by starting the indices with 0).
>
>The sequence of Spiro-Fibonacci differences runs:

-- 
Franklin T. Adams-Watters
16 W. Michigan Ave.
Palatine, IL 60067
847-776-7645


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