1,1

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

P. G. Watson, in C. Domb and M. S. Green, Phase Transitions and Critical Phenomena, Ac. Press 1972, Vol. 2, p. 136.

Sequence in context: A139234 A039784 A028243 this_sequence A129743 A115243 A012423

Adjacent sequences: A003490 A003491 A003492 this_sequence A003494 A003495 A003496

nonn

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