# A005857 (b-file synthesized from sequence entry) 7 1 8 1 9 1 10 1 11 1 12 1 13 2 14 2 15 2 16 2 17 2 18 3 19 3 20 3 21 3 22 4 23 4 24 4 25 5 26 5 27 6 28 8 29 8 30 9 31 9 32 10 33 11 34 12 35 15 36 16 37 17 38 19