Funny you should ask. I actually made LogC and sLog1,2,3 LUTs last weekend :P
The zip contain:
Linear > LogC | LogC > Linear
Linear > sLog | sLog > Linear
Linear > sLog2 | sLog2 > Linear
Linear > sLog3 | sLog3 > Linear
I made 8bit, 16bit, 16bit float and 32bit float.