Numbers k such that 4*k + 1 is a perfect cube, sorted by absolute values.

Terms

a(0) =0a(1) =-7a(2) =31a(3) =-86a(4) =182a(5) =-333a(6) =549a(7) =-844a(8) =1228a(9) =-1715a(10) =2315a(11) =-3042a(12) =3906a(13) =-4921a(14) =6097a(15) =-7448a(16) =8984a(17) =-10719a(18) =12663a(19) =-14830a(20) =17230a(21) =-19877a(22) =22781a(23) =-25956a(24) =29412a(25) =-33163a(26) =37219a(27) =-41594a(28) =46298a(29) =-51345