| kk+1 | ||
(k+1)k+2 * 1 = (k+1)k+2 * | ||
| kk+1 |
| kk+1 | kk | |||
(k+1)k+2 * | > (k+1)k+2 * | |||
| kk+1 | (k+1)k+1 |
| (k+1)2k+2 | (k+1)2 | k2+2k+1 | k+2+1 | ||||
= ( | )k+1 = ( | )k+1 = ( | )k+1 | ||||
| kk+1 | k | k | k |
| kk+1 | ||
(k+1)k+2 * 1 = (k+1)k+2 * | ||
| kk+1 |
| kk+1 | kk | |||
(k+1)k+2 * | > (k+1)k+2 * | |||
| kk+1 | (k+1)k+1 |
| (k+1)2k+2 | (k+1)2 | k2+2k+1 | 1 | ||||
= ( | )k+1 = ( | )k+1 = (k+2+ | )k+1 | ||||
| kk+1 | k | k | k |