A054178 Number of positive integers <= 2^n of form 5 x^2 + 8 y^2.

0, 0, 0, 2, 3, 6, 10, 19, 35, 63, 115, 215, 400, 759, 1430, 2735, 5236, 10058, 19392, 37503, 72686, 141120, 274439, 534633, 1042879, 2036824, 3982508, 7794887, 15270563, 29941088, 58751556, 115367299, 226690692, 445709729, 876839450