3,3

N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, Academic Press, 1995 (includes this sequence).

N. J. A. Sloane, A Handbook of Integer Sequences, Academic Press, 1973 (includes this sequence).

N. Metropolis, M. L. Stein and P. R. Stein, On finite limit sets for transformations on the unit interval, J. Combin. Theory, A 15 (1973), 25-44.

Reprinted in P. Cvitanovic, ed., Universality in Chaos, Hilger, Bristol, 1986, pp. 187-206.

Cf. A000048.

Sequence in context: A095292 A007293 A014596 this_sequence A109509 A006053 A051841

Adjacent sequences: A002820 A002821 A002822 this_sequence A002824 A002825 A002826

nonn,nice,more

N. J. A. Sloane (njas(AT)research.att.com).