A244024 Analog of A140468, but starting with 6 points instead of 4.

6, 15, 51, 870, 342051

Offset

1,1

Links

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

Shalosh B. Ekhad, Doron Zeilberger, Enumerative Geometrical Genealogy (Or: The Sex Life of Points and Lines), arXiv:1406.5157 [math.CO], (19-June-2014)

Crossrefs

Related sequences: A140468, A244020-A244026.

Sequence in context: A056423 A056347 A271332 * A122365 A262912 A119132

Adjacent sequences: A244021 A244022 A244023 * A244025 A244026 A244027

Keyword

nonn,more

Author

N. J. A. Sloane, Jun 20 2014

Status

approved