Numbers k such that sum of squares of k consecutive integers >= 1 is a square.

Terms

a(0) =1a(1) =2a(2) =11a(3) =23a(4) =24a(5) =26a(6) =33a(7) =47a(8) =49a(9) =50a(10) =59a(11) =73a(12) =74a(13) =88a(14) =96a(15) =97a(16) =107a(17) =121a(18) =122a(19) =146a(20) =169a(21) =177a(22) =184a(23) =191a(24) =193a(25) =194a(26) =218a(27) =239a(28) =241a(29) =242