| 2 * i = j * j + j0, j = sqrt(2 * i), 0 < i, 0 ≤ i, 4 ^ (i / 3) ≤ (2 * i) ^ sqrt(2 * i), 1024 ≤ i, j0 ≤ 2 * j, 0 ≤ j, 0 ≤ j0 ⊦ 2 * i < (j + 1) * (j + 1) |
⊦ (i + i0) * j = i * j + i0 * j
2 * i = j * j + j0, j = sqrt(2 * i), 0 < i, 0 ≤ j0, 0 ≤ j, j0 ≤ 2 * j, 1024 ≤ i, 4 ^ (i / 3) ≤ (2 * i) ^ sqrt(2 * i), 0 ≤ i ⊦ 2 * i < j * (j + 1) + 1 * (j + 1)
Used terms: j + 1, 1, j