The number of lattice points in the 2D plane contained between the curve y=x^2/4 and the line y=n^2, inclusive, where n is a positive integer.
A385730
The number of lattice points in the 2D plane contained between the curve y=x^2/4 and the line y=n^2, inclusive, where n is a positive integer.
Terms
- a(0) =1a(1) =6a(2) =27a(3) =80a(4) =181a(5) =346a(6) =591a(7) =932a(8) =1385a(9) =1966a(10) =2691a(11) =3576a(12) =4637a(13) =5890a(14) =7351a(15) =9036a(16) =10961a(17) =13142a(18) =15595a(19) =18336a(20) =21381a(21) =24746a(22) =28447a(23) =32500a(24) =36921a(25) =41726a(26) =46931a(27) =52552a(28) =58605a(29) =65106
External references
- oeis: A385730