# A048981 (b-file synthesized from sequence entry) 1 -11 2 -7 3 -3 4 -2 5 -1 6 2 7 3 8 5 9 6 10 7 11 11 12 13 13 17 14 19 15 21 16 29 17 33 18 37 19 41 20 57 21 73