A013660 Number of elementary catastrophes on n-dimensional manifold (the next term is infinite).

1, 2, 5, 7, 11

Offset

1,2

Links

Table of n, a(n) for n=1..5.

E. C. Zeeman, Levels of structure in catastrophe theory illustrated by applications in the social and biological sciences, pp. 533-546 of Proc. Intern. Congr. Math., Vol. 2, 1974.

Crossrefs

Sequence in context: A024374 A297103 A065219 * A257325 A020484 A124203

Adjacent sequences: A013657 A013658 A013659 * A013661 A013662 A013663

Keyword

nonn,fini,full

Author

N. J. A. Sloane

Status

approved