I just found some while unpacking.
Stuff made for some great packing material.
The answer to your question however is yes.
You can even buy it on Amazon. Sadly no printers show up in "customers
were also interested in...".
https://www.amazon.com/Universal-Computer-Perforated-Margins-15852/dp/B00
I'm old enough to know that greenbar paper is 120 columns. There's also 144,
still on impact printers. The compressed dump format for the 3800 squeezes in
considerably more.
Except when there is a legal requirement for carbon paper or NCR copies,
doesn't everybody use plain paper with a forms o