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Number of regular tetrahedra in an n-node-per-edge tetrahedral grid that have all four vertices on the boundary of the parent grid.
2

%I #7 Apr 02 2016 18:41:20

%S 0,0,1,5,16,31,53,86,127,167,214,265

%N Number of regular tetrahedra in an n-node-per-edge tetrahedral grid that have all four vertices on the boundary of the parent grid.

%Y Cf. A269747, A270806.

%K nonn,more

%O 0,4

%A _N. J. A. Sloane_, Apr 02 2016