A013660 - OEIS

%I #4 Mar 30 2012 16:45:53

%S 1,2,5,7,11

%N Elementary catastrophes on n-dimensional manifold (the next term is infinite).

%D E. C. Zeeman, Levels of structure in catastrophe theory..., pp. 533-546 of Proc. Intern. Congr. Math., Vol. 2, 1974.

%K nonn

%O 1,2

%A _N. J. A. Sloane_.