1

Erdös numbers, Erdös-Bacon numbers, and Erdös-Bacon-Sabbath numbers are not uncommonly found on a CV these days. It's easy to find lists and online tools to discover low values for the first two, but not for the last.

Are there lists of musician-collaborators with the band Black Sabbath that were not themselves in the band -- corresponding to an Erdös number of 1, not 0? (Googling for that gets swamped by covers of their songs recorded by other bands.)

Or must one resort to individually contacting all of one's own musician-collaborators?

4

There's a Sabbath calculator at http://static.echonest.com/SixDegreesOfBlackSabbath/index.html

An Erdös calculator at http://www.ams.org/mathscinet/collaborationDistance.html

& Google can do Bacon numbers right in the search line

I have a vague claim to a Bacon number of 3, a Sabbath number of 2 [neither documented, hence vague & unsupported] - though have never written a mathematical paper in my life, so my Erdös will forever remain ;-)

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