sextuples

n.

六倍的，六重的，由六个部分构成的( sextuple的名词复数 )；（使）变成六倍；

v.

（使）变成六倍( sextuple的第三人称单数 )；

More on Diophantine Sextuples
Sextuples of integers whose sums in pairs are squares
Completely Tetrahedral Sextuples
Some Rational Diophantine Sextuples
Cantor--Bernstein Sextuples for Banach Spaces
Regular Rational Diophantine Sextuples
Rational Diophantine sextuples with mixed signs
A Survey of Rational Diophantine Sextuples of Low Height
There Are Infinitely Many Rational Diophantine Sextuples
Gelfand–Ponomarev and Herrmann constructions for quadruples and sextuples