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

來源: 於 2023-08-08 06:48:03 [舊帖] [給我悄悄話] 本文已被閱讀：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.