Number n such that a2 - n^3 is a triangular number (A000217), where a2 is the least square above n^3.
A233400
Number n such that a2 - n^3 is a triangular number (A000217), where a2 is the least square above n^3.
Terms
- a(0) =0a(1) =1a(2) =2a(3) =9a(4) =12a(5) =107a(6) =109a(7) =120a(8) =244a(9) =337a(10) =381a(11) =407a(12) =565a(13) =592a(14) =937a(15) =1209a(16) =1224a(17) =1341a(18) =1717a(19) =2032a(20) =2402a(21) =3280a(22) =4957a(23) =5149a(24) =5265a(25) =5644a(26) =7065a(27) =7240a(28) =8181a(29) =8820
External references
- oeis: A233400