Andrews, G. E. (Ed.). Percy Alexander MacMahon: Collected Papers, Vol. 2. Cambridge, MA: MIT Press,
p. 260, 1986.Andrews, G. E. "Nathan Fine, 1916-1994."
Not. Amer. Math. Soc.42, 678-679, 1995.Sloane, N. J. A.
Sequence A000377 in "The On-Line Encyclopedia
of Integer Sequences."