Position of cubes in the EKG sequence (A064413).

Terms

a(0) =1a(1) =8a(2) =22a(3) =64a(4) =112a(5) =199a(6) =319a(7) =485a(8) =696a(9) =958a(10) =1279a(11) =1649a(12) =2090a(13) =2612a(14) =3241a(15) =3932a(16) =4733a(17) =5608a(18) =6583a(19) =7707a(20) =8926a(21) =10268a(22) =11786a(23) =13339a(24) =15081a(25) =16975a(26) =19033a(27) =21219a(28) =23546a(29) =26118