Smallest m > n such that Sum_{i=n..m} i^2 is a square, or 0 if no such m exists.

Terms

a(0) =24a(1) =0a(2) =4a(3) =0a(4) =0a(5) =0a(6) =29a(7) =0a(8) =32a(9) =0a(10) =22908a(11) =0a(12) =108a(13) =0a(14) =111a(15) =0a(16) =39a(17) =28a(18) =0a(19) =21a(20) =116a(21) =80a(22) =0a(23) =0a(24) =48a(25) =0a(26) =59a(27) =77a(28) =0a(29) =198