Averages of two consecutive odd cubes; a(n) = (n^3 + (n+2)^3)/2.

Terms

a(0) =14a(1) =76a(2) =234a(3) =536a(4) =1030a(5) =1764a(6) =2786a(7) =4144a(8) =5886a(9) =8060a(10) =10714a(11) =13896a(12) =17654a(13) =22036a(14) =27090a(15) =32864a(16) =39406a(17) =46764a(18) =54986a(19) =64120a(20) =74214a(21) =85316a(22) =97474a(23) =110736a(24) =125150a(25) =140764a(26) =157626a(27) =175784a(28) =195286a(29) =216180