420 = \( 8859060149051^3 - 2680209928162^3 - 8776520527687^3 \)
Undergraduate Texts in Mathematics
Graduate Studies in Mathematics
420
420 = \( 8859060149051^3 - 2680209928162^3 - 8776520527687^3 \)
Undergraduate Texts in Mathematics
Graduate Studies in Mathematics