A244021 - OEIS

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A244021

Analog of A244020, but starting with 5 points instead of 4.

0

5, 10, 15, 90, 3495

(list; graph; refs; listen; history; text; internal format)

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: A244025 A044830 A033002 * A351899 A313818 A313819

Adjacent sequences: A244018 A244019 A244020 * A244022 A244023 A244024

KEYWORD

nonn,more

AUTHOR

N. J. A. Sloane, Jun 20 2014

STATUS

approved