A031459 n-th number k which in base 3 has 3 fewer 0's than 2's.

26, 53, 71, 77, 79, 134, 152, 158, 160, 188, 206, 212, 214, 224, 230, 232, 236, 238, 240, 323, 377, 395, 401, 403, 431, 449, 455, 457, 467, 473, 475, 479, 481, 483, 539, 557, 563, 565, 593, 611, 617, 619, 629, 635, 637, 641, 643