# A077765 (b-file synthesized from sequence entry) 0 1 1 1 2 2 3 3 4 5 5 7 6 2 7 4 8 15 9 4 10 2 11 11 12 18 13 14 14 53 15 2 16 54 17 1606 18 482 19 104 20 754 21 536