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"The number of possible rules, R, for a generalized cellular automaton in which each cell may assume one of S states as determined by a neighborhood size of n, in a D-dimensional space is given by: R=SS(2n+1)D

The most common example has S = 2, n = 1 and D = 1, giving R = 256. It should be noticed that the number of possible rules has an extreme dependence on the dimensionality of the system. For example, increasing the number of dimensions (D) from 1 to 2 increases the number of possible rules from 256 to 2512 (which is ~1.341×10154)." but in Newman or Moore neightborhoud ?! Please, give answers in both cases. thx 212.76.37.154 (talk) 08:43, 26 August 2009

This might not be the appropriate place to ask, but does anyone know if the cases S = 2, n = 1, D = 2 and S = 2, n = 4, D = 1 result in equivalent programs? (Since they both result in the same number of possible rules, R.) Also, I'll work on the question asked above (though I won't necessarily make any progress). Quietly (talk) 16:42, 18 August 2010 (UTC)[reply]