Maximum number of unit squares aligned with unit-spaced horizontal lines that can be enclosed by a circle of radius n.

A124484

Maximum number of unit squares aligned with unit-spaced horizontal lines that can be enclosed by a circle of radius n.

Terms

    a(0) =0a(1) =1a(2) =8a(3) =21a(4) =40a(5) =65a(6) =97a(7) =135a(8) =180a(9) =229a(10) =286a(11) =350a(12) =419a(13) =495a(14) =575a(15) =664a(16) =761a(17) =860a(18) =966a(19) =1079a(20) =1200a(21) =1326a(22) =1458a(23) =1595a(24) =1741a(25) =1892a(26) =2050a(27) =2213a(28) =2383a(29) =2558

External references