Position of the circles around (0,0) that contain record numbers of lattice points in the list of all circles around (0,0) that pass through lattice points, ordered by increasing radius.
A075880
Position of the circles around (0,0) that contain record numbers of lattice points in the list of all circles around (0,0) that pass through lattice points, ordered by increasing radius.
Terms
- a(0) =0a(1) =1a(2) =4a(3) =13a(4) =30a(5) =121a(6) =362a(7) =1232a(8) =1584a(9) =7121a(10) =17548a(11) =32649a(12) =37603a(13) =174926a(14) =437750a(15) =821432a(16) =1198677a(17) =5678338a(18) =14335447a(19) =27044791a(20) =43735981a(21) =209473053a(22) =531787054a(23) =1006745669a(24) =2097411347a(25) =8474384496a(26) =10122355701
External references
- oeis: A075880