A262305 Number of equivalence classes of strata Str((R_{!=0})^n) of polygon spaces.

1, 2, 3, 7, 21, 118, 1546, 62236

Offset

1,2

Links

Table of n, a(n) for n=1..8.

J.-C. Hausmann, Counting polygon spaces, Boolean functions and majority games, arXiv preprint arXiv:1501.07553 [math.CO], 2015.

J.-C. Hausmann and E. Rodriguez, The space of clouds in Euclidean space, Experiment. Math. 13 (2004), 31-47.

J.-C. Hausmann and E. Rodriguez, The space of clouds in Euclidean space, Corrections and additional material.

Crossrefs

Cf. A262306.

Sequence in context: A212265 A107108 A323230 * A189360 A001532 A109456

Adjacent sequences: A262302 A262303 A262304 * A262306 A262307 A262308

Keyword

nonn,more

Author

N. J. A. Sloane, Oct 03 2015

Extensions

a(6)-a(8) corrected by J.-C. Hausmann and Lyle Ramshaw, May 03 2018

Status

approved