A046833 Internal digits of n^2 include digits of n, n does not end in 0.

74, 278, 463, 501, 502, 503, 504, 505, 506, 507, 508, 509, 523, 601, 602, 603, 724, 878, 1276, 1463, 1523, 1623, 1627, 1774, 1839, 2509, 2574, 2639, 2778, 2982, 3006, 3018, 3261, 3267, 3277, 3421, 3427, 3619, 3628, 3642, 3678, 3725, 3792, 3826, 3854