NMAXFOCKAE
NMAXFOCKAE = 1|2
Default: NMAXFOCKAE = LMAXFOCKAE = 2 suffices. For d elements, {TAG|LMAXFOCKAE}} = 4 suffices
(a d electron can create a density with l-quantum number of 4), whereas for f elements, users
should test whether {TAG|LMAXFOCKAE}} = 4 is required.