L/I

Lifespan per Initial Population (abbreviated L/I) is a measure of the quality of a methuselah. This measure was first suggested by Don Woods in 1971 under the name of evolutionary factor.[1] For example, the R-pentomino has an L/I of 220.6.

As it only relies on initial population and not on the methuselah's bounding box, it is considered inferior to L/MCPS (Lifespan per MCPS).

See also

References
  1. Robert Wainwright (March 1971). "Lifeline Volume 1" page 6.
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