# A284788 (b-file synthesized from sequence entry) 1 2 2 4 3 6 4 8 5 10 6 12 7 14 8 16 9 18 10 20 11 22 12 24 13 26 14 28 15 32 16 34 17 38 18 40 19 44 20 46 21 52 22 56 23 62 24 68