A024404 Number of products of distinct primes <= prime(n) equal to -1 (mod prime(n)).

1, 1, 0, 1, 2, 1, 3, 7, 10, 17, 33, 56, 102, 197, 359, 617, 1128, 2182, 3966, 7488, 14538, 26766, 51232, 95325, 174742, 335555, 657893, 1266230, 2485507, 4793512, 8521770, 16519171, 31580739, 62246045, 116079942, 229064794, 440508973, 848388680