A341919 Number of strong triangulations of a disk with n nodes.

1, 1, 4, 20, 115, 723, 4835, 33832, 245089, 1824893, 13893810, 107749252, 848696376, 6774097185, 54692748147, 446021523425, 3669543413721, 30427671594741, 254076922595096, 2134989658404402, 18042590178781082, 153267162148483634, 1308129496836500296

Offset

3,3

Links

Andrew Howroyd, Table of n, a(n) for n = 3..500

Crossrefs

Antidiagonal sums of A341856.

Sequence in context: A171802 A361245 A100034 * A192924 A258664 A231539

Adjacent sequences: A341916 A341917 A341918 * A341920 A341921 A341922

Keyword

nonn

Author

Andrew Howroyd, Feb 23 2021

Extensions

Missing a(3)=1 inserted by Andrew Howroyd, Jan 02 2022

Status

approved