Sum of two (possibly negative) cubes in at least 4 ways.

Terms

a(0) =2741256a(1) =4118877a(2) =6017193a(3) =6742008a(4) =9016488a(5) =16776487a(6) =21930048a(7) =28699272a(8) =32951016a(9) =36875384a(10) =42549416a(11) =48137544a(12) =48275136a(13) =52324993a(14) =53936064a(15) =70957971a(16) =72131904a(17) =74013912a(18) =87539319a(19) =94287375a(20) =102977784a(21) =105651000a(22) =111209679a(23) =119824488a(24) =122262264a(25) =124454421a(26) =134211896