1,1

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

C. Pickover, Mazes for the Mind, St. Martin's Press, NY, 1992, p. 350.

Cf. A008559.

Sequence in context: A163662 A080070 A080120 this_sequence A037220 A138484 A022506

Adjacent sequences: A006934 A006935 A006936 this_sequence A006938 A006939 A006940

base,nonn

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

The next term is too large to include.