Life Digits (1)

“Using the standard ‘life digits‘ what is the smallest number base that can produce infinite growth?”

asks knightlife in a post at

As always, a quick modification of my script in Perl for Golly, wait 7 minutes and… profit.

The string in question is 0011001000100011 and has 16 bits.

Pattern (RLE)
#CXRLE Pos=0,0
x = 51, y = 5, rule = B3/S23

It produces two block-laying switch engines, and achieves stability at generation 1507:


And also, happy birthday to me!


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