A390018 Number of tetrahedra in the n-Keller graph.

0, 0, 7600, 13862208, 8366389760

Offset

1,3

Links

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

Eric Weisstein's World of Mathematics, Graph Tetrahedron.

Eric Weisstein's World of Mathematics, Keller Graph.

Crossrefs

Sequence in context: A190077 A355119 A233881 * A031854 A253041 A068245

Adjacent sequences: A390015 A390016 A390017 * A390019 A390020 A390021

Keyword

nonn,more,hard

Author

Eric W. Weisstein, Dec 18 2025

Status

approved