A104125 A064413^2, that is each term in the EKG sequence is squared.

1, 4, 16, 36, 9, 81, 144, 64, 100, 25, 225, 324, 196, 49, 441, 576, 256, 400, 484, 121, 1089, 729, 900, 625, 1225, 784, 676, 169, 1521, 1296, 1024, 1156, 289, 2601, 1764, 1444, 361, 3249, 2025, 1600, 1936, 2116, 529, 4761, 2304, 2500, 2704, 2916, 3136, 2401, 3969, 3600