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Nonlinear problems in random theory. (English) Zbl 0121.12302

(Technology Press Research Monographs.) The Technology Press of the Massachusetts Institute of Technology and John Wiley and Sons, Inc., New York; London: Chapman and Hall 1958. IX, 131 p. (1958).

Online Encyclopedia of Integer Sequences:

a(n) = (n-1)*a(n-2), a(0)=1, a(1)=0.