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A007756 Prime Gaussian (i.e. only ordinary double points) curves with n crossings. 0
1, 1, 0, 1, 1, 2, 3, 11, 38, 156, 638, 2973 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,6

LINKS

Table of n, a(n) for n=0..11.

CROSSREFS

Sequence in context: A093804 A084121 A088747 * A000280 A046224 A081173

Adjacent sequences:  A007753 A007754 A007755 * A007757 A007758 A007759

KEYWORD

nonn,more

AUTHOR

Jean.Betrema(AT)labri.u-bordeaux.fr

EXTENSIONS

Reference needed to literature, also more terms!

STATUS

approved

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Last modified May 19 01:38 EDT 2013. Contains 225428 sequences.