# A216684 (b-file synthesized from sequence entry) 1 2 2 5 3 13 4 31 5 37 6 61 7 127 8 379 9 439 10 571 11 619 12 739 13 829 14 991 15 1549 16 3109 17 3301 18 3319 19 5749 20 7549 21 7879 22 48799