n can only be even or odd integers. If n is even, use n = 2

来源: 于 2023-08-08 06:48:03 [旧帖] [给我悄悄话] 本文已被阅读：次

n can only be even or odd integers.

If n is even, use n = 2m, no solution; if n is odd, use n = 2m+1, m = 2, n=5.