In reply to @icecolbeveridge
@icecolbeveridge @MrChaconMath @DavidKButlerUoA @rak_1507 I've crunched the numbers and can do 4 in 28 steps: ssf!sf!ssssf!sssssf!sssssssf
By the way, I'm also delivering a workshop so you're all slowpokes
In reply to @christianp
@icecolbeveridge @MrChaconMath @DavidKButlerUoA @rak_1507 It looks like no new values < (100000!) after 64 steps, unless some gimongous factorial would eventually collapse