A128885 Number of closed orientable irreducible 3-manifolds of complexity n.

3, 2, 4, 7, 14, 31, 74, 175, 436, 1154, 3078, 8421, 23434

Offset

0,1

References

S. Matveev, Algorithmic Topology and Classification of 3-Manifolds, Springer, 2003.

Links

Table of n, a(n) for n=0..12.

S. Matveev, Atlas of 3-manifolds.

Crossrefs

Sequence in context: A376183 A102787 A014193 * A215335 A229976 A084695

Adjacent sequences: A128882 A128883 A128884 * A128886 A128887 A128888

Keyword

hard,more,nonn

Author

Sergei Duzhin, Apr 19 2007

Extensions

Term 23434 added by Sergei Duzhin, Jan 28 2013

Status

approved