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A013660
Elementary catastrophes on n-dimensional manifold (the next term is infinite).
0
1, 2, 5, 7, 11
OFFSET
1,2
REFERENCES
E. C. Zeeman, Levels of structure in catastrophe theory..., pp. 533-546 of Proc. Intern. Congr. Math., Vol. 2, 1974.
CROSSREFS
Sequence in context: A024374 A297103 A065219 * A257325 A020484 A124203
KEYWORD
nonn
AUTHOR
STATUS
approved