A018189 Population of "Triangle" cellular automaton at n-th generation.

1, 2, 4, 6, 12, 16, 32, 44, 86, 98, 172, 196, 300, 302, 426, 474, 656, 704, 986, 956, 1180, 1230, 1562, 1530, 1918, 2000, 2622, 2638, 3294, 3244, 4048, 3876, 4970, 4886, 5680, 6072, 6406, 6590, 7590, 7434, 8134, 8404, 10154, 9938, 11958