login
The OEIS Foundation is supported by donations from users of the OEIS and by a grant from the Simons Foundation.

 

Logo


Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A103426 (1/4)*Number of non-degenerate triangles that can be formed from the points of an (n+1)X(n+1)X(n+1) lattice cube. 8
14, 719, 10322, 78973, 412666, 1662616, 5550432, 16056600, 41504082, 97957235, 214501838, 441056849, 859632934, 1599921616, 2860527328, 4937138832, 8259305646, 13437461703, 21322651346, 33080660021, 50283889886, 75023188336 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Table of n, a(n) for n=1..22.

CROSSREFS

Cf. special triangles in lattice cube: A103427, A103428, A103429, A103499, A103500, A103501; A103158 tetrahedra in lattice cube.

Sequence in context: A303288 A277299 A233506 * A203750 A232158 A208254

Adjacent sequences:  A103423 A103424 A103425 * A103427 A103428 A103429

KEYWORD

nonn

AUTHOR

Hugo Pfoertner, Feb 08 2005

STATUS

approved

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Style Sheet | Transforms | Superseeker | Recent
The OEIS Community | Maintained by The OEIS Foundation Inc.

License Agreements, Terms of Use, Privacy Policy. .

Last modified September 16 16:17 EDT 2021. Contains 347473 sequences. (Running on oeis4.)