A067674 Numbers k such that floor((3/2)^(k+4))/floor((3/2)^k)=(3/2)^4.
408, 409, 827, 937, 938, 1021, 1022, 1314, 1315, 1316, 1881, 1882, 1913, 1914, 2039, 2049, 2050, 2051, 2123, 2169, 2254, 2297, 2313, 2369, 2448, 2546, 2547, 2548, 2594, 2681, 2730, 2731, 2736, 2869, 3179, 3180, 3220, 3357, 3792, 3793, 3916, 3917, 3954
Offset: 1