# A011977 (b-file synthesized from sequence entry) 5 1 6 3 7 3 8 4 9 5 10 6 11 7 12 9 13 10 14 12 15 13 16 15 17 16 18 18 19 19 20 21 21 21 22 27 23 28 24 30 25 30 26 37 27 38 28 40