A151731 Number of ON states after n generations of cellular automaton based on square grid with each cell adjacent to its eight neighbors.

0, 2, 6, 14, 20, 32, 40, 54, 70, 94, 108, 128, 152, 172, 188, 224, 256, 300, 344, 380, 416, 464, 504, 552, 598, 658, 728, 772, 816, 880, 940, 1000, 1076, 1148, 1212, 1276, 1360, 1454, 1556, 1624, 1708, 1796, 1912, 2004, 2124, 2250, 2376, 2480