A191015 Number of isomorphism classes of Coxeter systems with n reflections

1, 1, 2, 3, 4, 7, 9, 12, 18, 25, 32, 47, 61, 79, 108, 143, 182, 246, 315, 404, 526, 674, 849, 1102, 1389, 1745, 2215, 2788, 3467, 4384

Offset

1,3

References

Anders Björner, Francesco Brenti, Combinatorics of Coxeter groups, Graduate Texts in Mathematics, 231. Springer, New York, 2005.

Links

Table of n, a(n) for n=1..30.

Crossrefs

Sequence in context: A247186 A051061 A237870 * A181385 A188381 A005576

Adjacent sequences: A191012 A191013 A191014 * A191016 A191017 A191018

Keyword

nonn

Author

Matthew J. Samuel, May 24 2011

Status

approved