对非负整数k<=8及任意m,n都有:
(m^2-mn-n^2)^k+(15m^2-25mn-21n^2)^k+(13m^2-71mn+7n^2)^k+(27m^2-95mn-13n^2)^k+(-11m^2-27mn-33n^2)^k+(17m^2-129mn+71n^2)^k+(3m^2-105mn+91n^2)^k+(29m^2-101mn+51n^2)^k+(-m^2-49mn+79n^2)^k+(-13m^2-27mn+59n^2)^k=(-m^2+3mn-13n^2)^k+(13m^2-21mn-33n^2)^k+(-13m^2-25mn+7n^2)^k+(17m^2-77mn-21n^2)^k+(29m^2-99mn-n^2)^k+(15m^2-125mn+59n^2)^k+(m^2-101mn+79n^2)^k+(3m^2-55mn+51n^2)^k+(-11m^2-31mn+71n^2)^k+(27m^2-99mn+91n^2)^k