1,1

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

M. Gardner, Time Travel and Other Mathematical Bewilderments. Freeman, NY, 1988, p. 116.

Adjacent sequences: A006061 A006062 A006063 this_sequence A006065 A006066 A006067

Sequence in context: A082521 A138826 A138720 this_sequence A015164 A144469 A009101

nonn,bref

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