A054162 Number of positive integers <= 2^n of form 3 x^2 + 5 y^2.

0, 0, 1, 3, 4, 9, 14, 28, 51, 92, 173, 319, 603, 1148, 2188, 4191, 8051, 15535, 30003, 58138, 112855, 219452, 427408, 833549, 1627633, 3181948, 6226802, 12196599, 23910445, 46911094, 92104226, 180957097, 355747623, 699778072, 1377253775