A048959 Positions of 4-digit terms in the continued fraction for pi (3 is position 0)

3273, 3777, 3811, 4019, 4700, 6209, 7270, 7849, 8719, 11384, 11469, 12426, 12526, 12936, 13561, 13715, 19223, 19404, 21117, 23740, 24648, 25726, 27378, 28676, 29238, 30663, 31905, 32528, 33198, 33663, 34787, 35327, 35332, 35337, 35610