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

asks *knightlife *in a post at ConwayLife.com.

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 3ob3obobob3ob3obob3ob3ob3obob3ob3ob3obobo$obobobobobobobobobobobobobob obobobobobobobobobobobo$obobobobobobobobobobobobobobobobobobobobobobob obobo$obobobobobobobobobobobobobobobobobobobobobobobobobo$3ob3obobob3o b3obob3ob3ob3obob3ob3ob3obobo!

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

And also, happy birthday to me!