User blog comment:SandstoneGem/Sandstone's number/@comment-30754445-20170607102209/@comment-30754445-20170608100106

Yeah, I thought of the Fermat number too.

I was afraid of mentioning it here, though. Given the current climate here, I though that mentioning 24096+1 in response to a blog post that defines 24096 wouldn't be such a bright idea...