A002711 Triangulations of the disk G_{n,2}. (Formerly M3916 N1609)

1, 5, 21, 119, 735, 4830, 33253, 237336, 1743588, 13114465, 100591491, 784428522, 6204258970, 49675571820, 402013608525, 3284214703056, 27055525967324, 224557688302164, 1876374953765620, 15774315150669075, 133345566025874055, 1132905339504465590, 9669675838370401035

Offset

0,2

References

N. J. A. Sloane, A Handbook of Integer Sequences, Academic Press, 1973 (includes this sequence).

N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, Academic Press, 1995 (includes this sequence).

Links

Andrew Howroyd, Table of n, a(n) for n = 0..500

William G. Brown, Enumeration of Triangulations of the Disk, Proc. Lond. Math. Soc. s3-14 (1964) 746-768.

William G. Brown, Enumeration of Triangulations of the Disk, Proc. Lond. Math. Soc. s3-14 (1964) 746-768. [Annotated scanned copy]

Maple

# see A210696

Crossrefs

Column k=2 of A262586.

Cf. A210696.

Sequence in context: A082428 A015558 A168598 * A218962 A124311 A353736

Adjacent sequences: A002708 A002709 A002710 * A002712 A002713 A002714

Keyword

nonn

Author

N. J. A. Sloane

Extensions

Extended by Max Alekseyev, Mar 30 2009

a(21) onwards from Andrew Howroyd, Nov 23 2024

Status

approved