A046599 First numerator and then denominator of each element of the 1/4-Pascal triangle (by row), excluding 2's and 4's.

1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 5, 5, 1, 1, 1, 1, 9, 5, 9, 1, 1, 1, 1, 13, 19, 19, 13, 1, 1, 1, 1, 17, 8, 1, 19, 8, 1, 17, 1, 1, 1, 1, 21, 49, 35, 35, 49, 21, 1, 1, 1, 1, 25, 35, 119, 35, 1, 119, 35, 25, 1, 1, 1, 1, 29