hi,
var('n')
sum((4*n+1)/factorial(n),n,1,oo)TypeError: 'NoneType' object is not callable -- You received this message because you are subscribed to the Google Groups "sage-devel" group. To unsubscribe from this group and stop receiving emails from it, send an email to sage-devel+unsubscr...@googlegroups.com. To view this discussion on the web visit https://groups.google.com/d/msgid/sage-devel/CAGUWgD-Fm%2BPvkKwFBeLiKcsMC-4q4HUbsJm2%2B5mRC47-qC83-A%40mail.gmail.com.
