

A269747


Number of regular tetrahedra in an nnodeperedge tetrahedral grid.


4



0, 0, 1, 5, 16, 39, 80, 155, 281, 476, 760, 1154, 1686, 2394, 3331, 4551, 6110, 8065, 10486, 13461, 17079, 24130, 26606, 32726, 39928, 48360, 58183, 69573, 82708, 97767, 114930, 134387, 156329, 180960, 208506, 239230, 273444, 311486, 353709, 400467, 452136, 509093, 571716, 640393, 715537
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