Numbers represented by quadratic form with Gram matrix [ 2, 1, 0; 1, 3, 1; 0, 1, 2 ].
A014456
Numbers represented by quadratic form with Gram matrix [ 2, 1, 0; 1, 3, 1; 0, 1, 2 ].
Terms
- a(0) =0a(1) =2a(2) =3a(3) =4a(4) =7a(5) =8a(6) =10a(7) =11a(8) =12a(9) =15a(10) =16a(11) =18a(12) =19a(13) =20a(14) =23a(15) =24a(16) =26a(17) =27a(18) =28a(19) =31a(20) =32a(21) =34a(22) =35a(23) =36a(24) =39a(25) =40a(26) =42a(27) =43a(28) =44a(29) =47
External references
- oeis: A014456