1,1

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).

M. A. Harrison and R. G. High, On the cycle index of a product of permutation groups, J. Combin. Theory, 4 (1968), 277-299.

Sequence in context: A130557 A085000 A126154 this_sequence A159533 A035320 A071096

Adjacent sequences: A001324 A001325 A001326 this_sequence A001328 A001329 A001330

nonn,bref

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