Numbers n such that there are integers a < b with a^2+(a+1)^2+...+(n-1)^2 = (n+1)^2+(n+2)^2+...+b^2.

A094552

Numbers n such that there are integers a < b with a^2+(a+1)^2+...+(n-1)^2 = (n+1)^2+(n+2)^2+...+b^2.

Terms

    a(0) =52a(1) =100a(2) =137a(3) =513a(4) =565a(5) =1247a(6) =8195a(7) =13041a(8) =18921a(9) =35344a(10) =40223a(11) =65918a(12) =68906a(13) =121759a(14) =132720a(15) =213831a(16) =215221a(17) =235469a(18) =265654a(19) =506049a(20) =520654a(21) =585046a(22) =598337a(23) =817454a(24) =993142a(25) =1339560a(26) =1579353a(27) =2331619a(28) =2843086a(29) =3594812

External references