Number of ways to choose 3 points that form an equilateral triangle from the A000292(n) points in a regular tetrahedral grid of side length n.

A334581

Number of ways to choose 3 points that form an equilateral triangle from the A000292(n) points in a regular tetrahedral grid of side length n.

Terms

    a(0) =0a(1) =0a(2) =4a(3) =24a(4) =84a(5) =224a(6) =516a(7) =1068a(8) =2016a(9) =3528a(10) =5832a(11) =9256a(12) =14208a(13) =21180a(14) =30728a(15) =43488a(16) =60192a(17) =81660a(18) =108828a(19) =142764a(20) =184708a(21) =236088a(22) =298476a(23) =373652a(24) =463524a(25) =570228a(26) =696012a(27) =843312a(28) =1014720a(29) =1213096

External references