A088033 Even squares k such that k-1 is divisible by a square.

64, 100, 576, 676, 784, 1936, 2116, 2304, 2500, 3844, 4096, 5476, 5776, 6400, 6724, 9604, 10000, 13456, 13924, 14400, 14884, 15376, 15876, 17956, 18496, 21316, 21904, 23104, 23716, 28224, 28900, 29584, 30276, 30976, 35344, 36100, 42436, 43264