1,2

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

Walsh, T. R. S.; Generating nonisomorphic maps without storing them. SIAM J. Algebraic Discrete Methods 4 (1983), no. 2, 161-178.

Sequence in context: A119429 A059216 A007823 this_sequence A149895 A149896 A149897

Adjacent sequences: A006388 A006389 A006390 this_sequence A006392 A006393 A006394

nonn

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